Answer:
D) f(x) = 6x
Step-by-step explanation:
Answer:
depends on what n is. but -2/3 - 4/9 = -10/9 aka -1 1/9
Step-by-step explanation:
Answer:
3.6 hours
Step-by-step explanation:
Blake can do work in hours = 9
Blake can do a part of work in 1 hour = 
Ned can paint the same room in six hours.
Ned can do a part of work in 1 hour = 
They can do a part of work together in 1 hour = 
=
Now they can do
part of work in hour = 1
So, they can do whole work in hours = 
= 
Hence it will take 3.6 hours to paint the room if they work together.
Answer:
minus 15
Step-by-step explanation:
times the bottom by the right hand side
Answer:
$64.2
Step-by-step explanation:
After 7% tax, she pays 100+7 = 107% of the cost
107/100 × 60
64.2