Answer:
q + 7
Step-by-step explanation:
(q² + 4q − 21) / (q − 3)
Factor the numerator:
(q + 7) (q − 3) / (q − 3)
Divide:
x+4= -2+4
x+4 = 2
Volume of a pyramid is
V=lwh÷3
=(4·5·6)÷3
=40
t>=7