108 minutes because 50 percent of 240 is 120 so take 5 percent away and it is 108
The diameter is given which is 13.5feet and radius is half of diameter. Therefore radius = 6.75 feet.
Slant height = 16.8 feet
The formula of surface area of cone is

Correct option is C
The 4 in and the 6 in are the same but the difference between the two triangles are 1.5
6:4 = 1.5
So if 12 = 1.5 (?)
The (?) = 8
Answer: 23
Step-by-step explanation:
2x + 14 = 60
2x = 46
x = 23
Correct, c and e. they are the only ones that make sense