Answer:
D. 100°
Step-by-step explanation:
A straight line is 180°. Add 50° and 30° (which is 80°) and subtract the total from 180°.
50 + 30 = 80
180 - 80 = 100
You would have to multiply 37 by 15
37 x 15 = 555
Answer:
Step-by-step explanation:
The area of the equilateral triangle is 
Answer choice D is the right answer
253 / 11 = 23.
So he makes $23 an hour.
$23 x 17 = 391
So in 17 hours he'd make $391.