PLEASE PLEASE ANSWER ASAPPP PLEASE Keith writes an expression using the following steps.
• Start with x.
• Multiply by -2.
• Subtract 7.
• Subtract 12.

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

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.

Complete the conditional statement. if a + 2 < b + 3, then a < b b < a a – b < 1 a < b + 1