How do you solve   X squared =17

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

If g^-1(x) is the inverse of g (x) which statement must be true

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.