Answer:
B. the initial number of packs of gum
Step-by-step explanation:
Another name for y-intercept is initial value.
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Answer:
We know that opposite angle are congruent.

So, We found out that x = 7,
So, Putting x = 7 in 10x+10

So, The measure of angle 10x+10 is 80.
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If they have opposite signs the point can be in either the second or fourth quadrants.
-x and +y is in the second quadrant
+x and -y is in the fourth quadrant.