Xianni purchased paid a total of $4.95 which included a 10% tip. How much was her bill before the tip?

I think it is 4.45

Step-by-step explanation:

10/100 = x/ 4.95

100x=10*4.95

100x=49.5

——     ——

100     100

x= 0.50

4.95-0.50= 4.45

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing im pretty sure that is the right answer

step-by-step explanation: