C=0.25(L−1200) The cost, C, in dollars, to the holder of a liability insurance account given a total liability of L dollars is given by the equation above as long as C is positive. By how many dollars does the liability increase when the cost to the holder increases by 1 dollar?

Pls the last one and it has to be like number 6

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.

What is the mean of the data set 125, 141, 213, 155, 281