One day 10% of the students enrolled in the school were absent. There were 1,620 students present on that day. How many students were absent?

Your cell phone plan costs $34.99 per month plus $0.15 for each text message you send it receive. You have at most$39 to spend on your cell phone bill. What is the maximum number of text messages your can send or recive next month?

How can you find the area of a polygon that is not for which you know an area formula

What is 72/3 as a mixed number

Stanley ordered 2 pizzas cut into eighths. if he ate 5/8 of a pizza, how much was left?

An alloy is a mixture of metals. Suppose that a certain alloy is made by mixing 120 grams of an alloy that contains 42%copper with 200 grams of pure copper. Dont round

Solve the equation. Check your work. 3/8 (x + 8) = 3/4 (x + 5) + 1/8

She spends $10000000 to buy a plant. Makes $13000 per boat. Write an expression that would give you her profit if she sold x boats.

A bag has 5 red marbles, 6 blue marbles and 4 black marbles. What is the probability of picking a black marble, replacing it, and then picking a blue marble

Each angle of a regular pentagon has a measure of

An electrician cut 36 feet of wire into sections that were each 8 1/2 feet long. After cutting, how many pieces of wire did the contractor have?