How many 4 digit whole numbers can be made using the digits 9, 8, 7, 6 if no digit is used mire then once in any number? what are the numbers?

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

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

What is the value of x in the equation 2(x-4) = 4(2x + 1)?