The price paid for a $4.50 pen after
a 60% discount is
applied
What is the discount applied

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup