Roscoe's family has a dinner at a restaurant. the total cost is $103.80. this includes 5% tax and 15% tip on the pre-tax amount. how much was the bill before tax and tip?

True or false? many triangular shapes can be circumscribed about a given circle

What could explain what happened when the time was equal to 120 minutes

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π