Answer:
Step-by-step explanation:
V=a*b*c
192= 8*b*6
b=192/48
b= 4 cm
Answer:

Step-by-step explanation:



or

Answer:
c^2 +17c -5
Step-by-step explanation:
I like to line them up vertically
2c^2 +7c - 1
- (c^2 -10c+4)
----------------------
Distribute the minus sign
2c^2 +7c - 1
- c^2 +10c-4
----------------------
c^2 +17c -5