If the ratio of boys to girls is 2:3, how many boys would you expect to find in a class with 21 girls?

Common factor of 54z^3 and 18z and 36z^2

The equation Tsquared=Acubed shows the relationship between a planet's orbital period, T, and the planet's mean distance from the sun, A, in astronomical units, AU.

What is the area of a sheet of binder paper? (Binder paper is 8 1/2 inches by 11 inches.) 88 inches 88 1/2 in2 93 1/2 in2 94 in2

Justin and tyson are beginning an exercise program to train for football season. Justin weighs 150 pounds and hopes to gain 2 pounds per week. Tyson weighs 195 pounds and hopes to lose 1 pound per week.

An elevator descends into a mine shaft at the rate of 6 m/min. If the descendstarts from 20 meter above the ground level, how long will it take to reach - 340m?

Form a bi-conditional statement using p: an angle is reflex and q: an angle measures 180 < x < 360, using "if and only if"

Why is 296 divided by 6 equals 48 remainder 8

Which expression is equivalent to 1/2 (2n+6) ?

3 more than a number x

Of the 10 contestants in a televised quiz competition, 2 were eliminated during this week's show, and 2 more will be eliminated during next week's show.