What is the exact value of cos(–60º)?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

Will give the box plots below show the math scores of students in two different classes: class a 55 72 75 89 95 class b 55 70 75 94 100 based on the box plots, which statement is correct? a: the median score of class a is greater than the median score of class b. b: the lower quartile of class a is greater than the lower quartile of class b. c: the upper quartile of class a is greater than the upper quartile of class b. d: the maximum score of class a is greater than the maximum score of class b.