Ms. johnson and ms. siple folded a total of 300 cards. the ratio of ms. johnson cards folded to ms. siple is 2: 3 how many did each person fold?

Does the point (1, sqrt 7) lie on circle shown.

Find the equation of the ellipse with the following properties. the ellipse with foci at (0, 6) and (0, -6); y-intercepts (0, 8) and (0, -8).edit: the answer is x^2 over 28 + y^2 over 64 = 1

Aresearch study is done to find the average age of all u. s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample