Sketch the graph and find the Fourier coefficients and then Fourier series of the function of f(x)=4x^2in the interval -兀≤x≤兀

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?

The radius of the circle below intersects the unit circle at (3/5,4/5). what is the approximate value of theta? 0.6 radians 1.0 radians 36.9 degrees 53.1 degrees