Answer:
The slope of a horizontal line is zero
Step-by-step explanation:
All horizontal lines are parallel to the x-axis.
The x-axis has a zero slope.
All parallel lines have the same slope.
Therefore the slope of a horizontal line is zero.
This means there is no rise in y.
So rise over run will become:
0/run=0
Answer: x = 45/4
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
If two chords<span> intersect inside a </span>circle<span>, then the measure of the angle formed is one half the sum of the measure of the arcs intercepted by the angle and its </span>vertical angle<span>.
</span>

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</span>
5*2 = 10
3^2 = 3*3 = 9
10 + 9 = 19
Answer: 19