Discover Questions

How long does Equazen supplement really take to make effect in adults with inattentive adhd? Has someone tested it? 7^(x+1) + 7^x + 7^(x-1) = 399, what is x? Could someone help me with these math problems? I can't figure them out. Solve the linear equation;
x+2y=15
y=-2x+0 9x-12y=-3
-12x+16y=4? Find a positive angle, less than 360 degrees, that is coterminal with a 1715 degree angle. Please show steps!!? Questions for medicine I could not get it and I need your help?