Take out the 3 , to make the vertex form easier;)
Answer:
3/2
Step-by-step explanation:
7z+2=8+2z+1z
7z+2=8+3z
7z-3z+2=8
4z+2=8
4z=8-2
4z=6
z=6/4
simplify
z=3/2
Answer:
This question does not make since.
Step-by-step explanation:
2 because she spent a total of $18 and the books each cost 6 times two will equal 18