Determine whether the graphs of the given equations are parallel, perpendicular, or neither.
y = x + 11
y = -x + 2
a. parallel
b. perpendicular
c. neither

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.

Which of the choices shown could be used to prove that aacp=abcp ?

Which of the following parabolas opens down?