The width of a rectangle is 7x-7 feet and the length is 4x+9 feet , what is the perimeter of the rectangle??

Could someone with number 1 and 2

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

Factor the polynomial by its greatest common monomial factor.