+12<16
Please with steps :)

Solve the system of equations. y= 2x y= x^2 - 15

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).

How many solutions does the nonlinear system of equations graphed below have?