If the volume of a cone is V=π(r*r) * h/3
radius=2
V=<span>π(2*2) * (9)/3
3.14(4) * (3)
Volume=37.68 inches cubed</span>
1. Percent error is

The guess is 15.5mi, and the actual distance is 14.5 mi.
Percent error is

2. The cost will be $31.95*(1+0.075) = $34.35
The 1 represents 100% of the original amount of $31.95, and now we add 7.5% (0.075) to the 100%. In other words we multiply $31.95 by 107.5%.
3. His commission will be $165 out of $4125, or $165/$4215 = 0.039 = 3.9%
4. The principal (amount of money you start with) is $12000, and the interest rate is 15% of that.
15% of $1800 = 0.15*$12000 = $1800
Answer:
Step-by-step explanation:
plug in 7
f(x)=3(7)+2
multiply 3 and 7 which is 21
and 2
f(x)=23.
The cafeteria used 20, 1 quart containers. <span />