Cora babysat for 3 1/2 hours and charged 28$. At the same hourly rate, what would she charge for 5 1/2 hours of babysitting?

What is the factored form of the following expressions? d^2 – 13d + 36

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

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?