Answer:
it's 21 because if you do 7x3 you get =21
Answer:
See attachment
Step-by-step explanation:
The first function is
.
The slope is
and the y-intercept is
.
The second equation is
.
The slope intercept form is 
The slope is
and y-intercept is 
The graph of these two functions is shown in the attachment.
Y = 5x + 10. X represents the number of movies, and Y is the cost per month.
Answer:
the 1st, the 2nd one, and the 4th one
Step-by-step explanation:
Hope this helps and have a good day !
I am assuming you are multiplying the y as well. if so, it is -3*2*3 and that would be -18 so it would be true.