45c-60=75 what is the value of c

If ac = 12 and ab=7 is it possible that bc =10

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth