Rosalie earns extra money by working as a babysitter over the weekend. she charges $10 to drive to the home and an additional $8 per hour. what are the imputs/outputs and what represents the values of the numbers

This is so hard and it’s for a test

The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?