What is the radian measure of the central angle of an arc that has an arc length of 3 units and a radius of 4 units? 3/4 1 4/3 12

Simplify the expression. -2/5(10+15m-20n)

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?