The students' scores on a standardized test with a normal distribution have a mean of 500 and a
standard deviation of 40. What percent of the
students scored between 420 and 580?

Cynthia takes her dog to the park every 2 days. she bathes her dog every 7 days. if she took her dog to the park and bathed him today, how long will it be until she does both on the same day again?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

The liabilities of cullumber are $99,000. owner’s capital is $143,000; drawings are $96,000; revenues, $467,000; and expenses, $301,000. what is the amount of cullumber company’s total assists?