Substitute x=3 into 3x-x²

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

17 in long 1.3 ft wide and 8in high what is the volume