Answer:
B. 40
Step-by-step explanation:
We know that the large angle is 90 degrees as it is a right angle. Thus, 
(I don't know how to include degree symbols). We solve: 
, so then 
. Thus, x is forty degrees and the answer is B.
The answer to the question is 24
Cheyenne would arrive at school at 8:10am
Answer is #3. -30
Reason
1 and 2 are absolute values so they are 30, the 4th answer is plus or minus, the question says “below sea level” which is a negative number so it is -30.
