Answer: 7a^2+2a+7
Step-by-step explanation:Distribute the Negative Sign:
=9a2+7a+8+−1(2a2+5a+1)
=9a2+7a+8+−1(2a2)+−1(5a)+(−1)(1)
=9a2+7a+8+−2a2+−5a+−1
Combine Like Terms:
=(9a2+−2a2)+(7a+−5a)+(8+−1)
=7a2+2a+7
Answer:
B and C
Step-by-step explanation:
(-7)•8z = -56z
(-4)•(-7)=28
and
40•(-1.4)= -56z
40•0.7= 28
Five
A quart is 4 cups
4x5 is 20
green:blue
1:2
?:6
6/2=3
so it is 3/6
and 6+3=9
