Find the value of m (test grade) plz help

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

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

What is the measure of ba (the minor arc) in the diagram below?