1) Explain why you think a tangent of a circle is always perpendicular to the radius at the point of tangency. 2) Explain why you think angles formed by drawing lines from the ends of the diameter of a circle to it's circumference form a right angle.

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s? a. 56.3 b. 33.7 c. 41.8 d. 48.2

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.