If the y-intercept is 93 write and slove an expression to predict the height of a person whose foot measures 28 centimeters

How can you find the mean absolute deviation (mad) for this set of data?

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?

Given right triangle abc, what is the value of tan(a)?