During a period of 30 seconds, a scuba diver changed her depth by - 150 feet. Determine the average change in depth per second.

With data from the 2009 National Health Interview Survey, the Centers for Disease Control estimated that 9.4% of U. S. children had asthma. Suppose that 12% of a random sample of 500 U. S. poor children have asthma.

A rectangular prism has a length of 9 centimeters, a height of 15 centimeters, and a width of 20 centimeters. What is its volume, in cubic centimeters?

the graph below shows a scatter plot and a linear model of joanna's height, in inches, for various ages. what is the best interpretation of the slope of the line?

Joyce rode her bicycle 4 miles from her house to the library, and she rode the same distance from the library to the gym. Her average speed from the library to the gym was 15 miles per hour less than her average speed from her house to the library.

The diffence of a number t and 22

Which algebraic expression is a difference with two terms? A. 5y - 7 B. 5 (y - 6) C. 3y + 1 D.-2y + 5 + 3

You are moving from Winston-Salem to Seattle a trip of about 2000 miles. Your stuff will fill half of the truck and trailer shown below. The moving company estimates that your belongings average 6.5 lbs per cubic foot.

If 25students took an exam and 4 of them failed, what percnt of them passed?

98, 78, 84, 75, 91 What is the mean absolute deviation of his scores?

Write the sum as a mixed number with the fractional part less for 3 3/4 + 1 2/4