Sec^4y=2^y*x^2+y^3*x
find y'

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Arectangle has a perimeter of 24 inches. if the width is 5 more than twice the length, what are the dimensions of the rectangle?