A certain television is advertised as a 17-inch TV(the diagonal length). If the width of the TV is 8 inches, how many inches tall is the Tv?

Ineed with the quizzes in apex mathematics ii

How do i i solve this equation? -18 = x/3 + 3

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?