Answer:
Slope (known as m) = -3/2; Y-int (known as b) = 3
Step-by-step explanation:
m = 
m = 
m = 
b = 
Answer:
28%
Step-by-step explanation:
total percent is 100%
we could rewrite the equation as:
48% + 24% + f = 100%
72% + f = 100%(subtract 72 on both side)
f = 28%
28 each book 155-15=140 and then 140÷5=28
Answer: 6.882
All you have to do is divide
They can buy any number of chairs fewer than four because 140-60=80
80 divide by 20 is 4