7)

A radio costs $20. Harold buys it for $16. What percent off did he receive?

At 50, Brian sets up an IRA, where he plans to deposit $12,000 at the end of each year until age 75. Find the amount of the annuity if he invests in a stock fund that yields 4% compounded annually.

Suppose a group of x people rent a log cabin for $320 for a weekend in the mountains and plan to share the cost equally. If one person in the group decides not to go, each remaining person has to pay an extra $16.

There were 75 customers in the store at 1:00. The store must be emptied of customers when it closes at five how many customers must leave the store between four and five

What is y in the equation y = - 12/2+9

What is 20 to the second power

Surgery is in need in 4 out of every 10 hospital if a hospital had 840 emergency room visits in the past month, how many of these visits would require surgery?

16% in simple form. y

Leah has a piece of cloth that is 3 ft 8 in long. She decides to cut 2/11 of the cloth off. How long is the cloth now?

A triangle has an exterior angle with a measure of 120°. Can you determine the measures of the interior angles? Explain.

If the unit price for watermelon is $0.24 per pound and Jared pays $1.68 for a watermelon, how many pounds does his watermelon weigh?