Answer:
123
Step-by-step explanation:
s=-2
-15s^2-9(-5+s)
=-15s^2+45-9s
=-15s^2-9s+45
=15(-2)^2-9×(-2)+45
=15×4+18+45
=60+18+45
=123
Answer:b
Step-by-step explanation:
I believe the answer is “one solution”. I hope this helps :)
Matrix A was expressed in the form of a 2x2
i'm not sure if this helps or not but here you go
