Aright rectangular pyramid has a rectangular base that is not a square. what cross section is formed when a plane intersects the pyramid parallel to the base?

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

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.

Can someone answer it, and plot it, for 20 points and brainliest answer? p. s. they're the same ! : )