Answer:
I cant do them all for you, but essentially every equation there is an a, plug in 10 for a. Every equation with b, plug in 9 and every equation with c plug in 4. Then Solve/simplify
Step-by-step explanation:
Here you go:
3 to five or 5 to 3
Answer:
r=4
Step-by-step explanation:
15r-6r=36
9r=36
r=36/9
r=4