Lucy is a dress maker. she sews \dfrac47 7 4 start fraction, 4, divided by, 7, end fraction of a dress in \dfrac34 4 3 start fraction, 3, divided by, 4, end fraction hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour?

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

Don't know how to find x given these segment lengths

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?