Probability 0.15, 0.1, 0.2, 0.05, 0.45, 0.05 Scores 1, 7, 8, 10, 12, 14 Find the expected value of the above random variable.

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases

What is the slope of the line passing through the points (3, 3) and (5, 7) ? 1. 2 2. 1/2 3. −2 4. −1/2

Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.