5:13 since cos is adjacent over the hypotenuse.
Answer: 
Step-by-step explanation:
Given
diameter of each candle is 
The height of each candle is 
The volume of a cylinder is 
The volume of each candle is

For 5 candles it is

Total wax used for 5 candles is 
Answer:
y=7x-48
Step-by-step explanation:
m = 8 - -6/8 - 6
m = 14/2
m = 7
y=7x+b
(6,-6). y=mx+b or -6=7 × 6+b, or solving for b: b=-6-(7)(6). b=-48
(8,8). y=mx+b or 8=7 × 8+b, or solving for b: b=8-(7)(8). b=-48