In a survey of Moorpark College students, the average number of units taken was 13. Suppose the standard deviation is 4.11 units. Assuming that the conditions for the Central Limit Theorem have been met, find the probability that the average number of units taken in a class of 40 students will be under 7 units.

Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3