Marco drove from home to work at an average speed of 50 miles per hour and returned home along the same route at an average speed of
46 miles per hour. If his total driving time for the trip was 4 hours, how
many minutes did it take Marco to drive from work to home?

What is the product of the radical expression. (7-2square root) (8+2 square root)

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.

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.