Answer:
a) 7x^2 + 5x
Step-by-step explanation:
(9x^2 + 8x) – (2x^2 + 3x)
Distribute the minus sign
(9x^2 + 8x) – 2x^2 - 3x
Line them up vertically
(9x^2 + 8x)
– 2x^2 - 3x
-------------------
7x^2 +5x
30/3=10
10*2=20
the volume of the smaller figure is 20 cubic cm
A true
because 53•(41•11)=23,903 and (53•41)•11=23,903
Hope this helped
Answer:

Step-by-step explanation:
Using the distance formula, we see that the distance between (-4,4) and (-7,3) is
.
The slope is 2 i’m pretty sure