Factorize using the difference of squares identity.

Then

Answer:
60x36x120
Step-by-step explanation:
Because the scale factor is 1:12, you multiply the dimension of the building by 12.
Answer:
Step-by-step explanation:
y = x² + 4x is an up-opening parabola with x-intercepts 0 and -4.
y ≥ 0 when x≤-4 or x≥0
range: (-∞,-4)∪[0,+∞)
12 - 3 = x , 9 = x . hope this helps