2(2a + b) + 8, except
4a + 2b + 8
2(2a + b + 4)
4(a + b + 2)
4a + 2(b + 4)

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Parks is wearing several rubber bracelets one third of the bracelets are tie dye 1/6 are blue and 1/3 of the remainder are camouflage if park swears to camouflage bracelets how many bracelets does he have on

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2