What is the factored form of the polynomial? x2 + 9x +20

(x − 4)(x − 5)
(x − 2)(x − 10)
(x + 4)(x + 5)
(x + 2)(x + 10)

Which representation has a constant of variation of -2.5

Three times the sum of a number and seven is negative thirty-six. what is the number?

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