David tosses two coins the possible outcomes for tossing two coins is given what is the probability of both coins landing on heads as a reduced fraction

What is the value of x in the diagram below?

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

The figures below are made out of circles, semicircles, quarter circles, and a square. 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).