Kimberly decides to have a computer custom-made. She can select one option from each category:   Megabytes Monitor color 128 15 inches Tan 256 17 inches Ivory 512       Draw a tree diagram for all possible types of computers she can select.

The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts​ (a) through​ (c) below.   Assume the population is normally distributed. 1430 1230 984   695 728 834   726 750 542   623 1442 947         ​(a) Find the sample mean.   x=enter your response here ​(Round to one decimal place as​ needed.)   (b) Find the standard Deviation. (Round to one decimal place as needed)

Find the dimensions of the rectangle of maximum area that can be formed from a 10-m piece of wire. (Use decimal notation. Give your answer to two decimal places, if necessary.) maximum area: length of the rectangle: width of the rectangle: m² m m

The shape of a Norman window can be approxiamated by a rectangle with a semicircle on the top. What dimesions will admit the maximun amount of light if the perimeter of the window is to be P inches?