Choose the correct simplification of the expression (2b/c)3

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false