Use the figure shown. D is the midpoint of AB and mACB = 134.76°
What is mA?

A 45°
B. 22.62°
C. 67.38°
D. 33.69°


Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?