of the students in a school are in sixth grade. a. How many sixth graders are there if the school has 70 students? b. How many sixth graders are there if the school has 28 students? c. If the school has x students, write an expression for the number of sixth graders in terms of x. d. How many students are in the school if 63 of them are sixth graders?

Which point lies on a circle with a radius of 5 units and center at p(6, 1)?

Sum of the interior angles of a pentagon

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 −