Dan had 78 dollars to spend on 7 books. After buying them he had 15 dollars. How much did each book cost?

What is the inequality of the sum of 5x and 2x is at least 14

If the measure of angle JKM = 15x-48, the measure of angle L = 5x+12, and the measure of angle M = 40, find the measure of angle MKL

If f (x) = x^2 then f (a+b) is what

A professor wished to study whether the percentage of Americans that graduate from college has increased. Ten years, ago, 25% of Americans graduated from college. This year, a random sample had a college graduation rate of 28%.

Approximately 19.7 million African-American voted in the presidential election with almost 3 million more female than male. What percent of African-America voted if United States of American is about 28.7 million?

Video games made up 0.86 of the total revenue for a small specialty store. Write this decimal as a fraction. Put your answer in simplest form (or reduced form).

Emily is a diver. Today she descended to a depth of 40 feet. Then, she ascended 10 feet. Next she descended 24 more feet. After doing this, what was her depth?

To stay within your budget the area of the house an garage combined is at most 3000 square feet. The area of the garage is 527 square feet. Write and solve an in inequality that represents the area of the house

Probabilities of compound events What is the probability of rolling a sum of 10 when rolling two number cubes?

On Monday, Janelle earned $16 for 2 hours of babysitting. getting paid the same rate, she earned $40 for babysitting on Saturday. how many hours did Janelle babysit on friday.