How many whale sharks would a researcher need to measure so that 90% confidence level would have a margin of error of 0.25

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

John read the first 114 pages of a novel, which was 3 pages less than 1/3 of the novel. write an equation to determine the total number of pages (p)(p) in the novel.

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft