The expression d/t can be used to find the average speed of an object that travels a distance d in time t. What is a car's average speed if it travels 147 miles in 3 hours?

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Joanie watched 1 out of three of a movie in the morning

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14