an artist used a scale factor of 1in=8ft to create a model of a building if the actual builidng has a height of 64feet ,how many feet are they apart.

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.

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.