Answer:
the answer is A.
Step-by-step explanation:
After multiplying the two fractions: 
You might also want to consider that it's negative because it's BELOW sea level. If you are going down, that wount mean that it is negative. So after mltiplying and turning the result into a proper fraction, you get A as your final answer.
Answer:
9.5
Step-by-step explanation:
square root 90 and you get 3 square root of 10 which is around 9.486
Answer:
81/15
Step-by-step explanation:
14/3 would become 70/15 and 11/5 would become 33/15 and 70+33 is 103, so 103/5. 103/15 - 22/15 = 81/15.
Percentage = 42/120 x 100 = 35%
Answer: 35%
Z=110 because if you add up all the angles inside the triangle it would =180 and take the angle by z and subtract it from 180 you get your answer
