Answer
r = 20.25
this is the awnser i know im only in 6th grade but im good at math
Answer:

Step-by-step explanation:


Combine like terms

Answer:
x= 425
Step-by-step explanation:
Y = 5x - 2
9y = -2x + 10
9y = 3x + 8
y = (3/9)x + 8/9
Answer:i think it 3
Step-by-step explanation: