Answer:
5
Step-by-step explanation:
405=9x9xj
rearrange
j=5
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.
Add like variables together
3x + 4x + 2y + y
7x + 3y
7x + 3y is your answer
hope this helps
It is 3 over one . 3:1 because 60x3 is 180.