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.
Y=-4 is linear, anything not linear would be a quadratic in this instance
Answer: $29
Step-by-step explanation: this is the easiest way to explain it-
20= 100%
10=50%
5=25%
10 is 50
9 is 45
8 is 40
7 is 35
6 is 30
5 is 25
y=7x-1
-1 is the money she loses due to glores.
x = time
y = pay
That is true because a parallelogram has four sides.