I need help on that ^

What is the definition of exponential decay?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by