The spinner is spun 45 times. It stops on red 17 times. What is the approximate difference between the experimental probability and
theoretical probability of stopping on red?

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Is a positive integer raised to a negative power always positive

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?