How tall are 2 chairs stacked together? The height of the chairs 5 chairs are 51 inches high
3 chairs are 45 inches high
8 chairs are 60 inches high

Find the solution of each of the following.

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

Use sigma notation to represent the following series for 9 terms.