Answer:
34.5 minutes
Step-by-step explanation:
c
-2(-1) + 7y = -54
2 + 7y = -54
7y = -56
y = -8
When x = -1, y = -8.
-6y^2 - 9y plus 15
Just multipy -3 to 2 and 3 and 5
making it -6 and 9 and 15