Mee what is the mean for the data set 352, 310, 364, 378, 308, 395, 347, 357, 384 , 371 . express your answer as a decimals to the nearest tenth

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?

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