5. How many standard deviations from the mean is the weight of 190 people? a) -1σ
b) 1σ
c) 2σ
d) -2σ

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?

33 ! use the following data to determine the type of function (linear, quadratic, exponential) that best fits the data set. (1, 2) (5, 7) (9, 8) (3, 4) (4, 5) (2, 3)