In a class of 100 students, 37 study Mathematics, 32 study Physics and 31 study Chemistry. 9 students study Mathematics and Physics, 12 students study Mathematics and Chemistry, 11 students study Physics and Chemistry, and 28 students study none of these subjects. Illustrate the information in a
Venn diagram and find;
a) the number of students who study all
the three subjects.
b) the number of students who study
only Mathematics, only Physics and
only Chemistry.
c) how many students study exactly
two subjects?​

At the many chips cookie company they are serious about the number of chocolate chips in their cookies they claim that each cookie hasn't c chips. if their claim is true there will be 200 chips in 10 cookies

If the measure of xyz is 81 what is the measure of yz

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.