Jareline and jackie went to brunch at 1145am. if they left the restaurant at 112pm how long did they spend at the restaurant

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.

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?