Evaluate each expression for the given values of the variables. a) a+b a-14, bm-4, x 3 b) mx +b c) tu 4) for each of the following equations, find the indicated value. given se. pa-p find se when p -0.4 and n 30 (round to four decimal places) given v#m-r2.3 find v when r 2 and h 8 (round to the hundredths place) b)