Discover Questions

Could someone please help me find the LCD of this rational expression as well as the solution? 4/(x+1)+1/x=15/(2x)? Reduce power to the 1st powers of sin(nx) and cos (mx): cos^4 (x) =? Sketch the region enclosed by y=e5x,y=e9x and x=1.
Decide whether to integrate with respect to x or y, and then find the area of the region.? 144.5 rounded to it's nearest tenth? For what integer value of x is 2x-9<5 and x-1>4?