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

Answer:
11 years old
Step-by-step explanation:
3 years ago, Gloria was 32 years old
If Ivana's age is = x
Then, 4x = 32
x = 8
3 years ago, Ivana was 8 years old
So now she is 11 years old.
The correct answer is choice d.....
Answer:
14/61 cm per day
Step-by-step explanation:
Use the slope formula
Plug it in 
Simplify 
Answer:
y = -2x+9
negative slope starts at 9 ( y intercept)