Answer:
Step-by-step explanation:
5p + 2(p + 4) .......because pencil cases (p) sell for 5 bucks a piece....and mechanical pencils (p + 4), sell for 2 bucks a piece. She is basically selling 4 more mechanical pencils then she is pencil cases.
With all of the following you are able to make a graph, table, and a equation.
(x-9)(x+7)=0
x-9=0 or x+7=0
x=9 or x=-7
:)
D because coefficient is the number next to the variable and 7 is the coefficient to the fifth power
