Find the quadratic curve of best fit for this data what is the best approximation

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?