Help. I need an 80 in math by Friday, brainliest if you can help.

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

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 −