The two rectangles above are similar. If a = 20 m, b = 30 m, and c = 30 m, what is the length of d?

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2