For a normal distribution, what percentage of data falls within one standard deviation of the mean?

A store is having a sale where movies are 15% off their original price. A move is on sale for $22.10. What was the original price of the movie?

During a rainstorm Willow received 7/16 inch of rain, Summerset received 1/2 inch of rain, Clarkdale received 3/4inch of rain, and Riverton received 5/8 inch of rain. Which community received the most rain?

A cone has a height of 2.5 in. and a radius of 5 in. What is the volume of the cone? (Use 3.14 for pi. Round the answer to two decimal places.)

What is f (4) if f (x) = 2x-2

How much bigger is 1 1/4 than 5/8

Which of the following is a composite number? A. 31 B. 63 C. 61 D. 13

The vertices of ΔABC are A (1,-2), B (1,1), and C (5,-2). Which could be the side lengths of a triangle that is similar but not congruent to ΔABC?

What is the solution of the system? Use the substitution method. 3x+2y=11 x-2=-4y

At what rate is a car traveling, if it goes 157.5 miles in 2.5 hours? 15 miles per hour 63 miles per hour 73 miles per hour 393.75 miles per hour

A 2-parent family with 2 children lives in Lubbock. The family is saving for college and emergencies, but pays for its own health insurance.