Answer:
P = -3r -5t + 25
r(-2): P = -5t + 31
r(-5): P = −5t + 40
r(5): P = −5t + 10
t(4): P = −3r + 5
t(-4): P = −3r + 45
t(8): P = −3r − 15
1.6m questions
2.0m answers