If you are paying three employees $15 per hour and the fence installation in Exercise Letter I requires 21 hours when all three employees are working, determine how much you will be required to pay in wages.
What will be your gross profit on the job?

Which of the following expressions is equal to 2x^2+8

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?