Girls to boys at concert 2:7. 250 more girls than boys, how many boys

The ratio of fishing boats to sailboats in a bay is 8:3. There are a total of 24 sailboats in the bay. How many fishing boats are in the bay?

While on a vacation, a group can rent bicycles and scooters by the week. They get a reduced rental rate if they rent 5 bicycles for every 2 scooters rented. The reduced rate per bicycle is $15.

Solve for x. -15 = 22x + 7

If i have one apple and give you the apple, how many apples do i have?

Max, a carpet installer, needs to calculate the amount of carpet needed to cover a floor that's 3 1⁄2 yards wide and 4 3⁄4 yards long. What's the area of the floor? How many square yards of carpeting are needed? (area = length * width)

What is the difference between - 4x - 6 and 2x + 4? Show work.

Solve the quadratic equation by factoring. check your solutions in the original equation. (enter your answers as a comma-separated list.) 2x2 = 19x + 33

A culture started with 3000 bacteria. After 4 hours, it grew to 3,600 bacteria. Predict how many bacteria will be present after 10 hours. Round your answer to the nearest whole number.

Find the number of terms in this polynomial. 9p2 + 3p - 2

What is the simplified form of the ninth root of x times the ninth root of x times the ninth root of x times the ninth root of x