You add them all then divide the number by the total number of weekly incomes
Profit function - Cost function = Revenue function
Answer:
x = 8.3
y = 20.3
Step-by-step explanation:
or 
or 
Answer:
a.2^(a+b+c)
b.2^(a+b+a-b)=2^(2a)or 4^a
c.2^(a+b+c)/2^(a+b)=2^(a+b+c-a-b)=2^c
1. Turn the fractions in to decimals
2.Add them up
2.13 + 3.5 + 2.5 = 8.13ft