Line ab contains points a (0,0) and b (2, 2). line cd contains points c (3, 1) and d (5,3). lines ab and cd are
parallel
perpendicular
neither

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.