Mike read 18 books. This was 4 fewer than twice the number that Jeff read. How many books did Jeff read?

An equation where variables are used to represent known values—function notation true or false

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square