Without solving the equation 5x2+13x−6=0 find the sum of the squares of its roots

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?

Asix-sided die of unknown bias is rolled 20 times, and the number 3 comes up 6 times. in the next three rounds (the die is rolled 20 times in each round), the number 3 comes up 6 times, 5 times, and 7 times. the experimental probability of rolling a 3 is 10 %, which is approximately % more than its theoretical probability. (round off your answers to the nearest integer.)

The regular price rounded to the nearest cent