in term of π, what is the length of an arc which substends angle 30° at the centre of a circle of radius 3¹/2​

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25