Please hurry it’s urgent

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

What percent of the circle below is shaded?

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