I don't exactly understand your question, mate.
Answer:
n7 is y
Step-by-step explanation:y
Answer:
21
Step-by-step explanation:
h(y)=3y^2-2y+5
Let y = -2
h(y)=3(-2)^2-2(-2)+5
= 3(4) +4 +5
= 12 +4 +5
=21
7 or 8 since 2 and a half hours isnt an even amount of time so thered be an extra 10 minutes