Answer:
I think it's C.
Step-by-step explanation:
A. and D. don't make any sense so I assume they're incorrect. B. just seems wrong also by a small margin.
The slope is 2 and the y intercept is 4
Answer:
Zero
Step-by-step explanation:
Since the deepest point of Death Valley is below sea level, its altitude is negative. So, the difference between the altitudes is

Subtracting a negative means to add, so we have

There’s 3 7’s in 21 2 times 3 is 6 so the answer is 6.