If an exam is 75 questions long, a 100% being the highest grade, and 79% and below is failing, how many questions can you miss in order to still pass?

((yes i know this is easy but i'm lazy come get your points))

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Which will form a composite function?

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 −