Answer:
The answer is C or x=-4.
Step-by-step explanation:
I hope this helps!
What does part a mean i dont understand
Replace n with 9 :
7 × 9 - 3 = 60
the answer is C.60
last week because, the class that week was only 1 hour and last weeks was 3/2 an hour
"Undefined" slope means the line on the graph is vertical, and that
tells the whole story right there. The 'x' coordinate is the same for
every point on the line. If (6, -1) is a point on the line, then you know
that the x-value of EVERY point on it is 6 .
It's a vertical line that intersects the x-axis at x=6, and the equation
of the line is x=6 .