The nephew would need to use division to isolate x giving him $66.50 to spend
Answer:
65
Step-by-step explanation:
Answer:
A. (-13,-3)
Step-by-step explanation:
Solve the system of two equations:

From the second equation:

Substitute it into the first equation:

So,

The solution is (-13,-4)
Answer:
76.3 degrees
Step-by-step explanation:
We use inverse cosine to find the angle.
arccos(1.9/8) = 76.26 deg