Which expression is equivalent to the area of metal sheet required to make this square-shaped traffic sign?

a square shaped traffic sign is shown with length of one side labeled as 8x minus 2.

The system of equations graphed below has how many solutions?

Issof claims that the scale factor is 1/2. which statement about his claim is correct

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).