Answer:
138
Step-by-step explanation:
Because 180-42
Answer:

Step-by-step explanation:
We are given the following in the question:
Controller cost = $135
System cost = $2.50 per foot of pipeline
The total cost depends upon the length of Pole.
Let the system requires F feet of pipeline.
Total cost will be given by the equation:

is the required expression for total cost
F: feet of pipeline required
c(F): Total cost of installation
Answer:
C ) She needs to save AT LEAST 20 months
Step-by-step explanation:
Half of her income each month is $250
m= months
250m ≥ 5000
m≥ 20
We know that:
The markup is the price added to the cost price of goods...
To find the markup, we must multiply the percent increase by the original price (before markup).
So:
10,000 x 5% (or 0.05) = ?
10,000 (You do not have to follow my way of multiplying, do what is comfortable for u)
x 5 (Ignore the decimals then we move it after we get the answer)
----------
50,000 move the decimal back 2 places so it is 500
The final answer is:
The markup amount is $500...
Answer:
its an open circle on -2 and the line is to the right
Step-by-step explanation:
-2x=4
x=4/-2=-2
and the sign is the same and its an open dot because its not greater too or equal to