A simple random sample is the best to choose because it has the least amount of bias. A) True
B) False
C) Both
D) Unable to answer with the data given.

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect