The hours students reported practicing their instruments last grading quarter were 29, 20, 36, 44, 30, 32, and 40. the mean hours students reported practicing their instruments is . the mean absolute deviation for the data is .

What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way