11k-3+4k+8
=( )k+( ) please i need help!! it doesn't make sense!

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl

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