Answer:
The intervals do not have the same range
the lines are perpendicular because they're crossing each other
Step-by-step explanation:
(7m²-3m-7)(m²-7m-6) =
7m⁴-49m³-42m²-3m³+21m²+18m
-7m²+49m+42
= 7m⁴-52m³-28m²+67m+42
Plug in x with -1

A negative number in parenthesis times an exponent is always positive.
8+3-7=4
Answer:
each person gets 2 1/4 of a cupcake
Step-by-step explanation:
the correct division expression is 9/4=the amount of cupcakes each person gets