Calculate the mean and standard deviation for the class 99,60,82,78,93,71,68,86,80,95,72,64

Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. shania found the middle number of her scores. which type of measure did she find?

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.