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According to the passage, the "receptors of unparasitized controls"
Which of the following can be inferred about the work published by Singer and colleagues in 2009?
k > 2

Quantity A

$$1+\frac{2}{k}+\frac{3}{k^2}$$

Quantity B

3


x > 0 and y < 0

Quantity A

x+y

Quantity B

x-y


r > 0

Quantity A

$$\frac{r}{r^2+1}$$

Quantity B

$$\frac{1}{r}$$


Set H consists of all the positive factors of 90. Set F consists of all the multiples of 5 that are between 1 and 99.

Quantity A

The number of integers in the set H ∩ F

Quantity B

6


k is a positive integer.

Quantity A

The number of prime numbers from k to k+10

Quantity B

The number of prime numbers from k+10 to k+20


The circumferences of the three concentric circles P, Q, and R are 3π, 5π, and 6π, respectively.

Quantity A

The area of the region between P and Q

Quantity B

The area of the region between Q and R


Quantity A

The area of a right triangle with hpotenuse of length c and a leg of length a

Quantity B

The area of a right triangle with hpotenuse of length c and a leg of length 2a


At a local movie theater, a family consisting of 2 adults and 4 children are going to sit in a row of 6 seats such that one person will sit in each seat. One adult will sit at each end of the row, with each child in a seat between the adults. How many different seating arrangements are possible for the family?
Last Tuesday.in the produce section of a grocery store, the price of apples was $3.00 per kilogram, the price of bananas was $1.00 per kilogram and the price of grapes was $4.00 per kilogram. A family purchased 3 kilograms more of apples than kilograms of bananas, and 1 kilogram less of grapes than kilograms of bananas. The family spent a total of $25.80 on apples, bananas and grapes. How many kilograms of bananas did they purchase?

____________kilograms of bananas
Let abc be a three-digit positive integer, where a, b, and c are the digits of the integer. If 81a+9b+c=104, what is the value of the integer abc?
Quadrilateral ABCD is inscribed in a circle. If the measure of angle C is 96 degrees greater than the $$\frac{1}{3}$$ the measure of angle A, in degrees, what is the measure of angle A? (Note:The measure of an angle inscribed in a circle is equal to half the measure of the central angle that subtends the same arc.)
The repeating decimal$$0.\overline{38}$$ is how much greater than the repeating decimal $$0.0\grave{2}$$ (2 being repeated)?

Give your answer as a fraction.


In the quadrilateral shown, the measure of angle B is 135 degrees, and the measures of angles A and C are each 90 degrees. If the length of side AD is 4 and the length of side BC is 1, what is the area of the quadrilateral?
When the positive integer m is divided by 42, the remainder is 13. What is the remainder when m is divided by 6?
n is the least prime number greater than 10, and p is the least prime number greater than n.

Quantity A

The product of n and p

Quantity B

144


A bakery had 30 dozen rolls when it opened yesterday. By noon $$\frac{1}{3}$$ of the rolls had been sold.and between noon and closing time, $$\frac{1}{2}$$ of the remaining rolls were sold.

Quantity A

The number of rolls sold between opening time and noon

Quantity B

The number of rolls sold between noon and closing time




The numbers a, b, and c are shown on the number line.

Quantity A

b-a

Quantity B

a-c


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