Answer:
1 hour
Step-by-step explanation:
hope it helps ....
Im not sure what your asking add more please
Answer:
-130.8
Step-by-step explanation:
The average of the two slope values is ...
(-148.8 -112.8)/2 = -261.6/2 = -130.8
The slope of the tangent line at t=15 is approximately -130.8.
60*115/100=69
Retail price is 69