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the school debate coach must select a group of four from the 11-member team to go to the state championship. how many ways can the group be chosen?

a) 7,920
b) 7,133
c) 330
d) 24

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?