<span>Angle 7 and 5 are vertical angles, so they're equal.
Angles 7 and 8 are supplementary, so they have to add up to 180.
2x + 15 + 3x = 180
Solve for x, then plug it into the expression for angle 7 to get you answer</span>
Answer:
<em>1</em>
Step-by-step explanation:
The equation of the following line looks like this:

In this type of line, every single y value corresponds to the given x value. The slope of this line is considered to be positive one, as you can multiply x by one and still get the same number (Identity property)
A constant of proportionality originates from this type of equation:

K is the constant, and the number multiplied by x. It can also be recognized as the slope (m)
<em>I hope I was of assistance!</em> <em><u>#SpreadTheLove <3</u></em>
Answer:
Step-by-step explanation: Lucy is correct because all of the squares are filled, and therefore instead of 1 square filled, 8 are, this is why lucy <em>is</em> correct :)
Answer: -18
Step-by-step explanation: