From a class of 15 students, three will be chosen for student council homeroom representative. how many ways can you make a group of 3 from the 15 students

A) 455

B) 2730

C) 3

A vegetable garden is in the shape of a parallelogram with the dimensions shown. How many feet of fencing are needed to enclose the garden? A (4r-2) ft B (3r + 8) A O 54 feet 68 feet O 108 feet 140 feet (2r + 12 A

A triangle has sides with lengths of 10 metres, 16 metres and 20 metres. Is it a right angled triangle? Explain your reasoning.

Find the indicated probability. If P (B) = 0.5, P (A or B) = 0.3, and P (A and B) = 0.6, find P (A) =

Joshua and his four friends have 1/2 pakage of a crackers. How many pakages of crackers do they have in all

Amy bought 4 T-shirts and used a $10 coupon to reduce the total. If (p) equals the price of one T-shirt, write an expression to show the amount Amy paid.

Compare 1 out of 3 and 3 out of 10. Are these values equal?

Bob won big at bingo last night, he walked away with $800. The first thing Bob does is to take a cab to his mother's house. He gives the cab driver $20 and tells him to keep the change.

A local company wants to evaluate their quality of service by surveying their customers. Their budget limits the number of surveys to 100.

Select the correct numeral form of this number written in scientific notation. 5.0 * 10^10 0.000 000 000 5 5,000,000,000 50,000,000,000 500,000,000,000

John has a bag of marbles that contains 12 red marbles 20 green and 17 blue. if john pulls one marble what is the probability that it will be a purple marble