It’s d because 12-15%=10.20
18. It would be the second graph. The third graph is eliminated as the boy takes a time period to shave, which means there should be a constant point (horizontal line) right after the first incline. The first one is eliminated as the boy takes a bath which requires another constant point in the graph.
19.
C
E
D
A
B
<span>1. m∠6=m∠8, b||c
Given
2. m∠7=m∠8
</span><span>If lines ||, corresponding angles =.
</span><span>
3. m∠6=m∠7
</span>Substitution
<span>
4. a||b </span>
If alternate interior angles equal, then lines ||.
It’s letter d
since m and n are parallel the measure of b will be equivalent to the angle 35 degrees