He would have to work 13 hours
1st angle - x⁰
2nd angle - (x+25)⁰
The angles are supplementary,
so
x+x+25=180
2x=155
x=77.5⁰ -1st angle
77.5+25=102.5⁰ - 2nd angle
<span>B. The sample might not be representative of the population because it only includes students who are attending an after-school activity.</span>
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