P(x)=2x^3-18x

Given the polynomial function
P defined above, what are its zeros?

Khan academy: Polynomial factors and graphs

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?