The factors of the number 21 are 1, 3, 7, and 21. Choose the factor pairs of the number 21.

a) 1*21

b) 3*7

c) 1*7

What is 2-x+5x-25 in simplest form

In a certain town, 22% of voters favor a given ballot measure. for groups of 21 voters, find the variance for the number who favor the measure. a. 1.9 b. 13 c. 4.6 d. 3.6

Find the LCM of the given numbers 10,25

Emery's blueberry farm can produce 454 bushels of blueberries in 2 days. At this rate, how many bushels of blueberries can Emery's farm produce in 9 days? A. 1,589 B. 1,816 C. 2,043 D. 2,270

How do I get smart in math

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.