The total elevation that the scuba driver does is from

to

The ascending distance =

The ascending distance =

The time (t) taken during the ascend = 19.125 - 12.75 = 6.375 minutes
The average change in speed is given by the ascending distance divided by time taken during the ascend =

÷ 6.375 = 0.125 feet/minute
10. Correct answer is C.
11. C also
Answer:
12 pi
Step-by-step explanation:
First find the area of full circle
A = pi r^2 where r is the radius
A = pi (4)^2
A = 16 pi
This is 3/4 of a circle so multiply the area by the fraction of a circle
3/4*16pi = 12 pi
Answer:
B. 108 calories
Step-by-step explanation:
The mean number of a data set is

Corn chips: 230 calories
Popcorn: 25 calories
Potato chips: 115 calories
Pretzels: 62 calories
Thus,
The sum of all calories 
The number of productrs = 4
The mean number of calories 
Answer:
The angle is about 30.27 degrees.
Step-by-step explanation:
Use the trig ratio cosine because you are given the adjacent leg and the hypotenuse.

Plug into a calculator
Rounded to the nearest hundredth the angle is 30.27 degrees.