A chef accidentally drops an egg from a height of 1.8 meters. The height of the egg after t seconds can be shown by the equation h = -4.9t^2 + 1.8. How many seconds will it take for the egg to hit the floor? Round your answer to the nearest tenth of a second.

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*