10(-7y-2z)+4z-2(-8z+6y) simple form

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

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.

Find the values of y: 3y^3(y^2+ 2/3y)=0