Compute the mean, variance, and standard deviation for the following data set. round all answers to the nearest tenth. {85,95,90,70,75,95,85,85,95,90,70,7 5}

Find the arc length parameter along the given curve from the point where tequals=0 by evaluating the integral s(t)equals=integral from 0 to t startabsolutevalue bold v left parenthesis tau right parenthesis endabsolutevalue d tau∫0tv(τ) dτ. then find the length of the indicated portion of the curve r(t)equals=1010cosine tcost iplus+1010sine tsint jplus+88t k, where 0less than or equals≤tless than or equals≤startfraction pi over 3 endfraction π 3.

Describe the relationship between the angles of similar triangles and the sides of similar triangles

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12