Answer:
the answer is -5
Step-by-step explanation:
Answer:
9x^2-49
Step-by-step explanation:
FOIL
It is false. Since you don't know what is the variable equal to. But multiplication can't be in associative property.
A - 24!
-21 as its true value is 21
-3 as its true value is 3
if you add them together you get 24!
Hope this helped ^^
70 ft because 7 is bigger than 5 and 7x10=70
