Integration of x^2 cos(2y) dydx

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

Find the area between y=e^x and y=e^2x over [0,1]