Answer:
-ei
Step-by-step explanation:

Answer:
-2 < x < = 4
Step-by-step explanation:
Cause the dot at -2 isn't full, means that it's not equal to it.
The opposite thing happens at 4
Answer: 8x+10y
Step-by-step explanation:
2(4x)= 8x
2(5y)= 10y
8x+10y
37. Volume: l×w×h
38. Volume: (pi)r^2×h
39. Volume: (1/2b×h)×l
37. l=4
w=4
h=6
4×4×6
16×6= 96ft^3
38. (pi)=3.14
r=5
h=12
(3.14×5^2)×12
(3.14×25)×12
78.5×12= 942in^3
38. b=4
h=3
l=8
(1/2×3×4)×8
(1/2×12)×8
6×8= 48