Answer:
-15
Step-by-step explanation:
1/-13
The reciprocal is

Because of the law of indices,
We'll have 
= -13.
-1/2
The reciprocal is
1 ÷ -1/2
Because of the law of indices,
We'll have 
= -2
Therefore, the sum would be -13 + (-2) which would be equals to -15.
Answer:
Option D
75.39
Step-by-step explanation:
When provided with the co-ordinates (x, y) and(a, b) then the distance between them is given by 
Since u = (25, $350) and v = (53, $420) then the Euclidean distance will be

Answer:
There are two zeros.
Step-by-step explanation:
Answer:
It is exponential.
Step-by-step explanation:
Only linear equations would make a graph look this this.