(08.03)consider the following set of equations:

equation m: 3y = 3x + 6
equation p: y = x + 2

which of the following best describes the solution to the given set of equations?
no solution
one solution
two solutions
infinite solutions

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

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.