How to solve 3(k+1)=9

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

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Find the values of the variables in the kite