Answer:
75
Step-by-step explanation:
Sea level is considered 0. To find 75 feet above sea level, we add 75 to 0. This gets us 75. Since 75 is an integer, it checks out.
Answer:
B
Step-by-step explanation:
Answer:
A. 4
B. y = x + 4
Step-by-step explanation:
By subtraction we get
5x=15
x=3
9+2y=9
y=0
So the answer is B