Solve a + b = 90 for b

When ordering the Kids' Lunch at Burger Universe, the customer must choose a size, whether or not to have cheese, a type of bun, a side order, and a type of fruit drink. Here are the possibilities for each choice.

A library has 7140 books each shelf can hold at most 19 books how many book shelves are needed

You are designing a rectangular pet pen for your new baby puppy. You have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width

What is 8.235 x 10 to the negative four power

What are factors of 13

10 coins have a mass of 45 grams. How many grams is one coin?

George has 9 more dollars than Frank, who has 3 more than Richard. What is the least amount of money that must be exchanged so that they each have the same amount of money?

What is the value of 35-3m, when m = 4? A. 1 B. 13 C. 23 D. 128

A Product What is the product of 4.01 x 10-5 and 2.56 x108?

True or false the number 0 is the multiplicative identity?