Rewrite as a unit rate

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).