Answer:
b = 12
Step-by-step explanation:
b/3 + 4 = 8
subtract 4 on both sides
b/3 = 4
multiply 3 with 4
b = 12

m is the slope
b is the y-intercept
so that means that the y-intercept of

is

Answer:
c expression and b is number
Step-by-step explanation:
Answer:r=25.7897798241708 or 25.8 rounded to the nearest tenth or 25.79 rounded to the nearest hundredth.
Step-by-step explanation: