500=140+40h
minus 140 both sides
360=40h
divide y 40
9=h
9 hours
Answer:
x = 30
Step-by-step explanation:
15 = 1/2x
multiply both sides of equation by 2
30 = x
Answer:
Step-by-step explanation:
(x+y+2)(y+1)
Opening the brackets
xy + x + y^2 + y +2y +2
y^2 +xy + 3y + x +2
F(4)= -4-8=-12
F(-2)=-(-2)-8=2-8= -6
F(2)= -2-8=-10
F(0)=0-8=-8
F(-3)= -(-3)-8=3-8=5
