4 is to 5 as 10 is to a

A. 8

B. 12

C. 12.5

D. 20

Why does f (2) have to use the second equation

What is 8 meters increased by 25 percent

If I have a truck full of mulch that 30 tons and is a 2:1 ratio bark to soil. How many tons is bark and how many tons is soil?

Ms turner drove 825 miles in march. she drove 3 times as many miles i march as she did in january. she drove 4 times as many miles in february as she did in january. what was the total number of miles ms tuer drove in february?

Mrs. Randall bought tickets to the art museum for all the fifth-grade students. Each ticket cost $12, and the total cost of the tickets was $1,152. How many 5th graders were there?

Let S be the set of people in the United States. Test the following binary relations on S for reflexivity, symmetry, antisymmetry, and transitivity. a. x rho y - --> x is the husband of y. b. x rho y - --> x is the spouse of y. c.

1 2/3 divided by 5/7

G=6x, for x? literal equations

The two spheres above have the same center. One has a radius of 2 cm, and the other has a radius of 3 cm. Approximately how much space is in between the two spheres?

Eve leaves £400 in the bank for 3 years, it earns 5% compound interest. What is the total amount eve has in the bank at the end of the 3 years?