on Wednesday 72% of the customers who brought gas at a gas station made an additional purchase there was 250 customer support gas how many of these 250 customers made additional purchase (no answer choices)​

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

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.