write a linear expression in simplest form to represent the perimeter of the rectangle find the perimeter if the value of x is 2 cm ​

What is the value of  y  in the solution to the system of equations? x  +  y  =  12x  –  3y  =  –30a. –8b. –3c. 3d. 8

49xy +34y - 72z. determine the degree of the polynomial

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.