Find the z-scores for which 18 % of the distribution's area lies between minus-z and z.

Working together, it takes two different sized hoses 20 minutes to fill a small swimming pool. If it takes 25 minutes for the larger hose to fill the swimming pool by itself, how long will it take the smaller hose to fill the pool on its own?

If the radius of a circle measures 2 inches, what is the measure of its diameter? a 8 inches c. 16 inches b. 4 inches d. 2 inches

The length of a room is 2 times the width and the total area of the room is 8 square meters

A certain club has $50$ people, and $4$ members are running for president. Each club member votes for one of the $4$ candidates. How many different possible vote totals are there?

A group of 266 persons consists of men, women, and children. There are four times as many men as children and twice as many women as children. how many of each are there?

What is the full meaning/numbers of Pi

Kelly needs to order lunch for 6 people at a business meeting. Her menu choices are chicken salad for a cost of $5 per person and egg salad for a cost of $4 per person. She only has $28 to spend. More people want chicken salad.

Emily had some candy to give her five children. She first took two pieces for her self and then evenly divided the rest among her children. Each child received five pieces did she start?

What is the most précis approximation of the square root of 12

An oval track is made by erecting semicircles on each end of a 60m by 120m rectangle. Find the length of the track and the area enclosed by the track