Answer: R=8
Step-by-step explanation: R-7=1, R+7=1+7, R=8.
Answer:
30500
Step-by-step explanation:
104%=31,720
100%= x

Answer:
y=-1/5x+1
Step-by-step explanation:
divide both sides by 5: 1/5x+y=1
subtract 1/5x so y is alone since slope-intercept has y=mx+b: y=-1/5x+1