Which pairs of numbers are relatively prime? Select all that apply.

12 and 25

12 and 27

14 and 21

15 and 32

A group of hens laid the same number of eggs each day for a week. Kelly collected the eggs for six days. Write an expression to show the number of eggs Kelly did not collect.

Yvonne started running 8 minutes after Cassie started. Cassie was running at a rate of 500 feet per minute. Yvonne was running at a rate of 600 feet per minute.

Bill has enough money to buy no more than 1/2 pound of cheese. How much cheese could he buy?

Cammie goes to the gym to exercise 4 times per week. Altogether how many times does she go to the gym in 10 weeks?

Find the area of 2/5 yd and 3/7 yd

2sqrt (5x-4-3=-11) A) roots B) no roots

The volume, Q, of a sound is inversely proportional to the square of the distance n, in meters, from the source of the sound. A sound is heard at 83 decibels at a distance of 12 meters from its source.

A rental bus company charges $56 a day for a bus as well as charging a one time fee of $15. Write an equation for the cost in dollars, as a fnction of the number of days, x

What is x+1 divided by 1-x^2 such as: x+1/1-x^2

Janie asked all of her classmates about the number of pets they have in their household. Her findings are shown in the table. A 6-column table with 4 rows. The first column has no label with entries boys, girls, total.