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
Substitute 50 loaves into the given equation
y= cost to make 50 loaves
y= 0.80x + 100
y= 0.80(50) + 100
multiply first, then add
y= 40 + 100
y= $140 cost to make 50 loaves
Hope this helps!
Answer:
1/4; 25%
Step-by-step explanation:
if a year has four seasons we can say that there are 4 possibilities
spring appears once
this means that the probability that a day chosen at random will be in spring would be 1 out of 4
or 25%