The function y = 15x represents the distance in feet, y, a ball flies in x seconds. What does the average rate of change over the interval [2, 5] mean?

The total distance the ball flies in feed between 2 and 5 seconds.
The average speed of the ball in feet per second between 2 and 5 seconds.
The average speed of the ball in seconds per foot between 2 and 5 seconds.
The total time the ball flies in seconds between 2 and 5 seconds.

Beatrice decides she wants to babysit a few children at the same time to earn the money faster. she tells parents that if they allow her to babysit their children at her house, she will eliminate her automatic $5 tip and will give them an additional $5 discount. (a) write an equation showing the total cost for each client. identify all variables. (b) four parents bring their children to beatrice’s house at the same time for babysitting. beatrice wants to find out how many hours she must babysit the 4 children to earn exactly the $100 she needs in order to buy the present for her mother. write and solve an equation to find the number of hours. justify each step in the solution. (c) one parent decides not to drop off her child. the remaining 3 parents drop their children off at 9 a.m. two of the parents say they will be back at 1 p.m. the third parent says she will pick up her child at 2 p.m. at noon, beatrice realizes she needs feeding the 3 ch

6x - 8 = 16 solve the following equation. then place the correct number in the box provided.

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related