Help Please, I just need these questions. Show work as well please. He first took a random sample of five students and calculated the average of the five students.
Simulate what the principal did below:
Seed your calculator by typing “1” “STO” “rand” on your calculator. To make sure you did this correctly, type randint(1,45) and you should get a number between 1 and 45 (it was found from a random integer generator).

9. Simulate what the principal did by typing randint(1,45,5) to get 5 numbers. What are the
numbers?

10. Locate these values on the dot-plot. 1 corresponds to the lowest test score, and 45 corresponds to the highest test score. What are the associated test scores from the numbers generated in #9?

11. Find the average of these 5 test scores.

12. Is this sample mean the same as the population mean?

13. Why or why not?

14. What could the principal communicate to the parent that complained?

How can we find the measure of an exterior angle if we know the measurement of an interior angle

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.

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.