(x+y-3)(x+y+3) = x^2+xy+3x+xy+y^2+3y-3x-3y-9 = -9+x^2+y^2+2xy
Answer:
$13,200
Step-by-step explanation:
if 100 square feet = $1,200
1,100 square feet = $13,200
Answer:
C.12.6ft^3
Step-by-step explanation:
The volume of a cone is
V = 1/3 pi r^2 h
V = 1/3 (3.14) (2)^2 (3)
=12.56 ft^3
Rounding to the nearest tenth
V = 12.6 ft^3
Answer:
I am not sure but I try
Step-by-step explanation:
1 p²-p-16c²-4c
p(p -1) -4 c(4c+1)
(p- 4c) (p- 1) (4c+1)
2. x²-7x+7y-y²
x(x- 7) +y(7-y)
(x+y)(x- 7) (7 - y)