I. What is
42% of
18?

need help fast!

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile

A. 120 degrees b. 90 degrees c. 30 degrees d. 60 degrees