Which is the correct description of the transformation of figure vwxyz to figure vꞌwꞌxꞌyꞌzꞌ?

a. a 90° clockwise rotation around point b of pre-image vwxyz
b. a 180° counterclockwise rotation around point b of pre-image vwxyz
c. a 90° counterclockwise rotation around point b of pre-image vwxyz
d. a translation 2.5 units down and 1.5 units to the left

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

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.

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.