F(x)=-3.25x +22.41
f(-4.2)= 3.25(-4.2)+22.41 = 8.76
Answer:
h > 6
Step-by-step explanation:
6 + h > 12 (subtract 6 to both sides)
h > 12 - 6
h > 6
Answer:
7
Step-by-step explanation:
im pretty sure at least. since x is on a midpoint, it'd half of 14.
Answer: Division
Parentheses first according to the order of operations, and the next thing you do is divide inside the parentheses.
Division of a fraction is the equivalent of multiplying by its reciprocal
ex.

i suggest you try to remember this concept
in terms of your question
from this point, just multiple the numerators together and denominators together, then simplify if necessary
fyi- difference of squares

relating that to

also a side note, you might want to factor out the 4 first in the top fraction