A test has 20 questions. If Peter gets 80 percent correct, how many questions did Peter miss?

Given y = 2x2 - 10x. Find all real values of x for which y = - 3.

Find the integers: the sum of the three is 21 more than 2 times the smallest

What is the anyswer to this quiestion 9 + 10

A baseball pitcher won 80% of the games he pitched. If he pitched 35 ballgames, how many games did he win?

The present value of the money in your savings account is $420, and you're receiving 3% annual interest compounded monthly. What is the future value in two months?

Find the sum of the arithmetic sequence. 3, 5, 7, 9, ..., 21

A school is builiding a rectangular soccer field that has an area of 500 square yards. The soccer field must be 40 yards longer than its width. What is the length and width, in yards, of the soccer field? soccer

What would most cause the future acceleration of the expansion of the universe?

There are 232 people waiting in line for an amusement park ride. Each car on the ride will be filled with 5 people. How many cars are needed to hold all the people waiting in line? TRY IT

An engineer is designing an arch-shaped gate for the entrance to an amusement park. The gate must be 80 feet wide and 25 feet tall. What will be the equation of the parabolic shape of the gate?