Answer:
:The height of the building is 30ft
Step-by-step explanation:

notice, all you do is, move the factor from the bottom to the top, or from the top to the bottom, and the sign changes, from negative to positive or the other way around, is all there's on that
If you want to multiply the two functions, the answer is a.
In fact, you have

Answer:
Lines 3 and 4
Step-by-step explanation:
ignore this rjrjrjrjrrnrnnrnrrnnr
It should be (2x-3)x(3x+2)