Discover Questions

How to locate/take pictures of planets? 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? Current in a circuit increases linearly from 0 to 5A over 5 second total charge flowing through cicuit over duration is seniors plz give ans? Describe how and where new crust material is made. Describe how and where old crust is destroyed.? Solve the equation for x.
e^x = 85?