Which graph shows a system with no solutions?

What is the solution set of the quadratic inequality x^2-5< or equal to 0

Choose the more precise measurement. 26.4 cm or 8.39 cm

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25