Juan recorded the shoe size and the math test scores of several students. The
scatter plot shows what he recorded. Describe the correlation between the test
score and the shoe size.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?