Answer:
Step-by-step explanation:
The formula of a lateral area of a cone:
r - radius
l - slant height
The formula of a surface area of a cone:
We have r= 8in and l = 21in. Substitute:
Answer:
Step-by-step explanation:
1hr = $7.00
Therefore,
5 + 4 x 7
= $63
DV = Hours of work.
Answer:
14
Step-by-step explanation:
you clean 2 a hour so 7*2=14