Mary and Carl drove to the store to shop. Their trip to the store and back home is graphed here. What was their average speed on the way home from the store? A) 30 km/h B) 40 km/h C) 60 km/h D) Cannot tell from this data.

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5