Explain why not all regular polygons will tessellate

Which ordered pair minimizes the objective function C = 60x + 85y?

Frank finished his history assignment 1/5 hours then he completed his math assignment in 2/3 hours what is the total amount of time Frank's been doing these two assignments write your answer in simplest fraction form

Is 7/8 closer than 5/6 of a mile

The ratio of the heights of two similar prymaids is 3:2

A businessman has 10 employees, his salary is equal to 6 times the average of employees salaries. If the 11 of them received a total of $ 64000 in one year, what was the businessmans salary that year?

4x-4=4x + what equals no values of x

Rena spent 6 days reading her book completing the same fraction of the book each day, she read a total of 8/9 of her book what fraction of her book did she complete in 6 days?

Find a 15% tip on a restaurant bill of $32.60.

Mr. Ricketts is randomly distributing 25 hot chocolates and 20 iced coffees to his fellow board members. What is the probability that the first cup he hands out will be hot chocolate and the second cup will be an iced coffee

an equilateral is a 3-sided plygon in which all sides have the same length. Write a formula for the perimeter, P, of an equilateral triangle whos perimeter is 72 inches.