Answer:
(x + 9)(x - 8)
Step-by-step explanation:
f(x) = x^2 + x - 72
= x^2 - 8x + 9x - 72
= (x^2 - 8x) + (9x - 72)
= x(x - 8) + 9(x - 8)
= (x + 9)(x - 8)
Answer:

Step-by-step explanation:
Divide both sides by 9 to isolate x:

Hope this helps!
Answer:
3/8 tan²A
Step-by-step explanation:
sinB = √3/2 sinA and cos B= √2 cosA (from given)
Answer:
0.8
Step-by-step explanation:
Answer:
Hello! I think the answer is D: $2.25. Please correct me if i'm wrong.
Step-by-step explanation: