Answer:
$17.14
Step-by-step explanation:
Given : 
To Find : Using the quadratic regression equation, what was the predicted profit in year 8
Solution :

Where y is profit and x is year
Substitute x = 8


So, Option D is true
Hence the predicted profit in year 8 is $17.14
Problem: 4+x=15
- Subtract 4 from both sides
4+x-4=15-4
- Refine
x = 11
There’s 60 seconds in a min
60x54=3240
Answer:
F
Step-by-step explanation:
if you do the math you end up with 49 which is a perfect square of 7
Answer:
-50
Step-by-step explanation: