Yucation
a veterinarian is enclosing a rectangular outdoor running area against his building for the dogs he cares for. he needs to
maximize the area using 100 feet of fencing. the quadratic function a(x) = x(100 – 2x) gives the area, a, of the dog run
for the length, x, of the building that will border the dog run. find the length of the building that should border the dog run
to give the maximum area, and then find the maximum area of the dog run.

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −