Answer:

Step-by-step explanation:
3 x 4 - 5 = 7
Can you include a picture?
Answer:

Step-by-step explanation:
Given


Required: Angle A
This is calculated using:

From the attachment;


So:


Take arctan of both sides

----- approximated
Answer:
a. 100.48
Step-by-step explanation:
c = r(pi)(2)
r = 16 m
pi = 3.14
16 x 3.14 = 50.24
50.24 × 2 = 100.48
The answer is .426 or .43 depending on what you round to. The equation for density is
D=m/v so D= 239.2/92 will give you the answer to your problem.