Flannery used 30 lilies and 78 roses to create six identical flower arrangements.
Write an equation to describe the relationship between l,
the number of lilies, and r, the number of roses.

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After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

Find the value of x in the diagram below. select the best answer from the choices provided