How many prime numbers are there between 63 and 21

A polygon is regular if each of its sides has the same length. Find the perimeter of the regular polygon. #36

Taj has a choice of water, iced tea, or lemonade; with lemon or lime twist; served in a small or large glass.

The post office is 0.15 mile from Abdul's house. His school is 38 mile from the post office. If Abdul stops at the post office on his way to school, how far will Abdul walk in all? A. 0.15 mile B. 0.225 mile C. 0.375 mile D. 0.525 mile

Explain how you can use a 10-by-10 grid to model 42%

Harry works in a restaurant. He makes $5 per hour. In one week, he worked 25 hours. How much will his gross pay be? a) $125 b) $100 c) $30 d) $5

An=-31 + (n-1) - 11 find the eleventh term

Brian works in the lab and feels an empty cylindrical flask with 200 cubic centimeters of liquid. The flask has a radius of 3 cm and a height of 12 cm. What percent of the volume of the flask is not filled with liquid?

436% of what number is 31.61

If you have zero cookies and share them amongst zero friends, how would you write the equation and solve it?

What is the interior angle sum of a 15-gon?