Solve attached problem. the dot means multiplication. answer has to have only a positive exponent ​

Julia measured the high temperature in her town for one week. using the chart above, find the mean absolute deviation for the high temperatures. round your answer to the nearest tenth. be sure to show your work for finding: the mean of the set of data the distance of each number from the mean the mean absolute deviation

Measures of the angle of r, 31 s (x+4) t (3x+9)

State one method by which you can recognize a perfect square trinomial.