Steve drove for 2.4 hours at an average speed of 48 miles per hour, then 3.5 hours at and average speed 56 miles per hour. How far did Steve drive?

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.

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Can someone me with this? i’m not sure what to put for my equations.