Line segment cd is shown on a coordinate grid: a coordinate plane is shown. line segment cd has endpoints 1 comma 2 and 1 comma negative 1. the line segment is rotated 90 degrees counterclockwise about the origin to form c'd'. which statement describes c'd'? a) c'd' and cd are equal in length. b) c'd' is parallel to cd. c) c'd' is half the length of cd. d) c'd' is greater than twice the length of cd.

What is the base of 1/9 to the power of 2

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?