Y=y0 e^-0.092t find the half-life of this substance

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.

Which statements are true about additional information for proving that the triangles are congruent check all that apply