Write two equations that have one unique solution each

Suppose that the probabilities of a customer purchasing 0, 1, or 2 books at a book store are 0.20.2 , 0.20.2 , and 0.60.6 , respectively. what is the expected number of books a customer will purchase?

What percent of 55 is 23

Four friends are sharing a pizza. The chart shows how much pizza each friend ate. Who ate the most pizza? Name Amount Kanya 0.15 Than three-twentieths Sinla two-ninths Jessica 0.2 A. Kanya B. Than C. Sinla D. Jessica

The corresponding side of two rectangular swimming pools are 66 feet and 44 feet if the perimeter of the larger pool is 198 feet what is the perimeter of the smaller pool?

The base of a right pyramid is a regular hexagon with sides of length 12 m. The altitude is 6 m. Find the total surface area of the pyramid.

Simplify the expression "-x 4 - (3x-13)

Round 855.788 to the nearest tenth

What is a simplest way to find out x

A 22ft pipe is cut into two pieces the shorter piece is 7 feet shorter than the longer piece what is the length of the longer piece

Dinner cost 72 plus a tip of 13 six people split the total bill evenly which expression shows how much each person paid