Without making any calculations, which data set has the smallest standard deviation? 1, 2
1, 1, 2,2
1, 1, 1, 2, 2, 2
0,1,1, 1, 1, 2, 2, 2, 2

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.