#2b. Level 3: Tom is practicing for a track meet. The relationship between the distance Tom ran, y, in miles is proportional to the number of practices, x. He ran a total of 7.5 miles over the course of 3 track practices. How many miles would Tom have run after 10 track practices? * 25
30
50
75

Why do interests rates on loans to be lower in a weak economy than in a strong one

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?