Answer:
A. -62+26i
Step-by-step explanation:
2. Degree = 15
-10y + 10.5
5 - 2y + (-8y) + 5.5
5 - 2y - 8y +5.5
=($25×5)+($125×5)
=$125+$625
=$750
14 chaperones, 49 students