Answer:
12.99km
Step-by-step explanation:
Using the formula
C=2(pi)(r)
volume(V)=147cm^3
also,
v=1/3×3.14×7^2×h
or, 147×3=3.14×49×h
or, (441)/(3.14×49)=h
or, h=2.87cm
4. b) 30
5. c) y=2/3x+9
6. y=2x-5
0.50 c
Answer:y-2x/3-1