Answer:
$147
Step-by-step explanation:
378 / 18 = 21
1 hour of work = $21
7 hours of work = $21 * 7 = $147
9 - 2(7 - 8)
9 - 2(-1)
9 - (-2)
11
Answer:
60 degrees
Step-by-step explanation:
If each side of the triangle WRD is 3 inches long, then WRD is an equilateral triangle, meaning all angles are the same size. Since there are 180 degrees in a triangle, 180/3 = 60 degrees.
