You are running a concession stand selling nachos and sodas. each nacho costs $2.50 and each soda costs $0.50. at the end of the night you made a total of $80.50. if you sold a total of 77 items, how many nachos and sodas did you sell?

We have enough material to build a fence around a station that has a perimeter of 180 feet the width of the rectangular space must be 3 1/4 feet what must the length be

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%

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !