I need help with all these questions

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

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

What is the distance between the points (2, 5) and (5,9)?