You have 700 free text messages available each month according to your cell phone contract use 10% of your available text messages every day write an exponential decay function showing the number of text messages available each day how many text messages are available after 15 days

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x

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 −