How can i do this, sample i have to add but i don’t get the right answer, show example

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882