Katie is comparing the prices of packages of paper cups. One brand costs c dollars and contains 80 cups per package. Another brand costs d dollars and contains 100 cups per package. Which expression cannot be used to find the difference in the cost of 1 paper cup between the two brands? A. begin mathsize 18px style 100 d minus 80 c end style B. begin mathsize 18px style open parentheses c divided by 80 close parentheses minus open parentheses d divided by 100 close parentheses end style
C. begin mathsize 18px style 1 over 80 c minus 1 over 100 d end style D. begin mathsize 18px style c over 80 minus d over 100 end style

You and three friends will be going out to eat at your favorite restaurant! each of you will order three items of your choice. you will also need to leave a tip. if you split the bill evenly among all four of you, how much will each person need to contribute? locate a menu for your favorite restaurant and pick three items for yourself and each friend. list the restaurant name, items, and prices in a table like the one below. in the column labeled subtotal, determine the cost of each person’s order. the customary tip is 20% of the total bill. in the column labeled tip, calculate the amount of tip each person should leave. in the column labeled total bill, determine the total of each person’s order, including the tip. restaurant name: names item 1 price item 2 price item 3 price subtotal tip total bill your name friend #1 friend #2 friend #3 part 2: questions answer the following questions, showing all work: what is the total cost of the entire bill (all four meals), including tip? write an expression using fractions to show how to determine the amount that each person will pay. then calculate each person's contributions showing all steps in long division. if each person paid an equal amount, who would save the most money? explain your reasoning using at least two complete sentences.

Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form

Which inequality has a dashed boundary line when graphed ?