Answer:
18
Step-by-step explanation:
3x + 2x = 90
5x = 90
5x/5 = 90/5
x = 18
Slope is -3
Explanation
Take points
(4,3) and (6,-3)
-3-(3)
———= -6/2 which equals -3
6-4
Answer:
The stock Norman purchased increased in its value by 25%.
Step-by-step explanation:
Original Value of the stock = $ 420
New(Current) value of the stock = $ 525
We have to find the percentage change in the value of stock. The formula to calculate the percentage change is:

Substituting the given values into this formula results in:

A positive value of Percentage Change indicates a growth. This means that the stock Norman purchased increased in its value by 25%.
Answer:
Exponential function
Step-by-step explanation: