(X+5)(x-5) what would be the answer

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

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 −