Discover Questions

What can you tell me about the flower of life? Sacred geometry? Where does it come from? Describe how and where new crust material is made. Describe how and where old crust is destroyed.? Find Marginal Cost from total cost function (P^2)A(P)? How many 2 cubic ft. bags of mulch to fill a space that is 30 ft. x 16 ft. x 3 in's deep? 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?