Answer:

Step-by-step explanation:
Using cosine (since that is adjacent over hypotenuse), cos(60)=1/2 so your answer is hypotenuse*1/2=
Felipe earned 375 dollars each week because if you divide 4,500 to 12.
9x+72 = 4x+112
5x = 40
x = 8
Answer:
B
Step-by-step explanation:
Isosceles have no parallel sides, there lines go inward into each other.
Luke: 1 practice 1 lap, 2 practices 2 laps, 3 practices 3 laps, 4 practices 4 laps
Alex: 1 practice 3 laps, 2 practices 6 laps, 3 practices 9 laps, 4 practices 12 laps
Luke ran 3 laps for 3 practices, and Alex ran 9 laps for 3 practices.