The answer is: (z - 6)(z + 15)
z² + 9z - 90 = z*z + 15z - 6z - 6*15 =
= (z*z + 15z) - (6z + 6*15) =
= z(z + 15) - 6(z + 15) =
= (z - 6)(z + 15)
B is the answer to the question.
Answer:
$0.63
Step-by-step explanation:
Answer:
16
Step-by-step explanation:
21.60 divided by 1.35=16
Answer:
B
I might be wrong, please don't yell at me if I am :(