Complete the chart to find the mean variance and standard deviation. Remember to use commas and round numbers to
the nearest tenth
X
X XL
(X-82
1.345
= 82.5 =
The mean is
2.340
= 875 =
The variance is
3. 400
= -27.5 =
The standard deviation is
4.625
= 197.5 =
EX=
(X-X)? = 54,2250

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?