Answer:
1) 65%
2)-44%
Step-by-step explanation:
Formula:
((new value - old value)/(old value) )*100
If positive, it's an increase
if Negative, it's a decrease.
Yes, that is in fact a function.
Hope I Helped :)
Answer:

Step-by-step explanation:
Given

Opposite points:
and 
Required
Find k
First, calculate the midpoint of the opposite points.

This gives:


Open bracket

The equation
becomes:


Solve for k


16.36 times 9 which equals to 147.51 minutes
Answer:
Step-by-step explanation:
1/2k - 3/8k.....lowest common denominator is 8
4/8k - 3/8k = 1/8k <===