A study found that 9% of dog owners brush their dog’s teeth. Of 200
dog owners, about how many would be
expected to brush their dog’s teeth?
A. 11
B. 9
C. 18
D. 22

Factor and solve to find roots x squared -x - 90 =0

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2

The poll report includes a table titled, “americans using cash now versus five years ago, by age.” the age intervals are not equal. why do you think the gallup organization chose the age intervals of 23–34, 35–54, and 55+ to display these results?