Which equation is the inverse of y=100-x^2

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs

Astudent showed the steps below while solving the inequality |x-4|< 1 by graphing.

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.)