A Person's chance of Winning a raffle is 1/18, if he buy's 15 tickets:

a.) Determine the total number of tickets sold (4 marks).

b.) What number of tickets does he need to buy, If he is to increase his chance of winning to 5/18. (4 marks).

Which sequence is generated by the function f (n + 1) = f (n) - 2 for f (1) = 10? *-10, - 12, - 14, - 16, - 18, ... *-2, 8, 18, 28, 38, ... *8, 18, 28, 38, 48, ... *10, 8, 6, 4, 2, ...

Y=12x+45 plot the bfl On a graph

Find the mean of the data. 4,5,7, 14, 17, 12, 18 The mean is

train a takes 35 minutes to travel its route. train b traveling the same route but making more stops, takes 47 minutes. What is the ratio of the time of Train A to Train B

Ice, as long as it stays in its frozen form, will not lose its shape or its volume. Why?

What is 2 square roots between 9and 10?

An office supply store sells pencils individually or by the case. Pencils purchased individually cost $0.97 each. One case of forty pencils costs $37.20. You have an annual budget of $95.00 for pencils. Without exceeding the annual budget of $95.

Suppose you were a carpenter. Give the lenght, width, and height of a storage cabinet with a volume of 72 cubic feet that you would build. Explain your choice.

Jade is making a square birthday card and she's going to put a ribbon borders on each of the 4 equal sides piece of ribbon that is 33 inches long do you have all of the ribbon how many inches of ribbon conget put on all equals side

Suppose that textbook weights are normally distributed. You measure 28 textbooks' weights, and find they have a mean weight of 76 ounces. Assume the population standard deviation is 12.3 ounces.