Answer:
The correct option is a.
Step-by-step explanation:
The general form of a quadratic regression equation is
..... (1)
Using graphing calculator we get



Substitute these values in equation (1) to find the quadratic regression equation for this data set.
Therefore the correct option is a.
Answer:
A. 2/3
Step-by-step explanation:
If your equation is y=kx then you just fill in the variables that you have.

the answer is 78
Step-by-step explanation:
10×7+9x-1=78
Answer: 45 MILES
Step-by-step explanation:
3 TIMES 15 = 45
Answer:
44
Step-by-step explanation:
44^3 = 85,184
five digit positive
eight in the ten thousand place