What is the minimum number of students required in a discrete mathematics class to be sure that at least 7 will receive the same grade, if there are grades
A, B,C, D and F

Aboat's value over time is given as the function f(x) and graphed below. use a(x) = 400(b)x + 0 as the parent function. which graph shows the boat's value increasing at a rate of 25% per year?

In angle pqr find the measure of

Which of the following circles have their centers on the x-axis? check all that apply.