Answer:
21y^2+11.2
Step-by-step explanation:
4-3y(-7y)+7.2
combine like terms
-3y (-7y) = 21y^2
add 4 to 7.2
11.2
21y^2 + 11.2
Answer:
$105
Step-by-step explanation:
I took the test
About 12,000 minutes a year.
Answer:
Angle b
Step-by-step explanation: