Which of the following represents a valid probability distribution?
probability distrbution a
1. -0.14
2. 0.6
3. 0.25

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?