Answer:
h = -2
Step-by-step explanation:
subtract 5 from both sides (5-8h-5=21-5)
simplify (-8h=16)
divide both sides by -8 (both -8's cancel, leaving 16/-8 which is -2.)
Answer:
8
Step-by-step explanation:
Before Fred bought 9 more, he had 4. Since 4 is half the number he started with, he started with 8 comic books.
Answer: b³3c³*(5b²+2c²).
Step-by-step explanation:

D. f(x)= x*-9x^o+2x^2-4x+10
6/45 = x < whatever you get for x is your answer