Square abcd has the vertices a(-2,-3), b(4,-1), c(2,5), d(-4,3). what is the length of a side of the square?

What is the greatest common factor of 8 and 36

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Abag contains pieces of paper numbered from 5 to 9. a piece of paper is drawn at random. what is the theoretical probability of drawing a number less than 8?