Starting from 1.6 miles away, a car drives toward a speed checkpoint and then passes it. the car travels at a constant rate of 53 miles per hour. the distance of the car from the checkpoint is given by d = |1.6 – 53t|. at what times is the car 0.5 miles from the checkpoint? calculate your answer in seconds.

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Solve the equation x/4 - 5= -8 -27 -12 -7 12