There are 20 people who work in a office together. Five of these people are selected to go to a conference. How many selections are possible?

A. 100

B. 2400

C. 15,504

D. 1,860,480

What is the square root of 678

Joan can mow 6 acre field in 2 hours. how long would it take her to mow a 3 acre field

What is the correct order to represent 92,232

Amy will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $50 and costs an additional $0.80 per mile driven. The second plan has no initial fee but costs $0.90 per mile driven.

12/84 in unit fraction

Adi used algebra tiles to represent the product (-2x - 2) (2x - 1). Which is true regarding Adi's use of algebra tiles? She used the algebra tiles correctly. She did not represent the two original factors correctly on the headers.

Solve - 17 + n/5 = 33

Show three different ways to compose a sum if 1. Use two fractions that have 8 as a denominator. Explain your answer.

Find the number such that when it is added to 5 and the sum is divided by 3 the result is the same as one twelve in divided by x

You are dealt a hand of three cards, one at a time. Find the probability of each of the following. a) The first heart you get is the third card dealt. b) Your cards are all diamonds. c) You get no aces. d) You have at least one heart.