The graphs below have the same shape. complete the equation of the red graph. enter exponents using the caret (^); for example, enter x2 as x^2. do not include "f(x) =" in your answer.

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.