An object is thrown upward from the top of 80 ft tower. the height h of the object after t seconds is represented by the quadratic equation h=-16t^2+64t+80.after how many seconds will the object hit the ground?

Solve one step and two step problems

Give another definition of variability and explain how it can be calculated.

Aproportional relationship between the number of pounds of carrots (x) and the price in dollars (y) is graphed, and the ordered pair (8, 6) is on the graphed line. part a: what is the price of 1 pound of carrots? show your work. (8 points) part b: what will the ordered pair (16, 12) on the graph represent? explain in words.