A regular polygon has 20 diagonals. determine how many sides there are.

How do i write a word phrase for 2/3y 4?

Determine the number of solutions of this equation 2 (x-1) = 3 (x-4) a. infinitely many solution b. no Solutions c. one solution

After school craft center has 15 boxes of 64 crayons each. In 12 boxes 28 of crayons have not been used. So how many crayons have been used altogether?

If there is 123 trees and 15% is you land how much is the rest

Find the solution to the system of equations y = - 5x+6 x = 3x-2

Note: Enter your answer and show all your steps that you use to solve this problem. Annika borrowed a book from the library and forgot to return it on time. The library charges $0.25 per day for the first four days and $0.

Alejandro would like to start a new business. His friends have suggested he go into merchandising. But he's confused about what exactly merchandising is. Which sentence provides Alejandro with the most accurate description of merchandising? A.

How do i explain 7-3 counting back

Find three consecutive integers with the sum of 267

Evaluate the absolute value expression 1-5+21-7