A. BC W2

B. DC XY

C. DC Z

2. Which of these best describes d, the diameter of a circle?

F. the ratio of the circumference of the circle ton

G. exactly 3.14

H. the ratio of the diameter of a circle to

J. the square of the circumference of a circle

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12

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.