Which expressions can be used to find m2BAC? Select
three options
6.9 cm
12 cm
E cos i 90
9.8 cm
sin"
tan-12:00

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.

Given: ab ≅ bc and ao ≅ oc ok − angle bisector of ∠boc find: m∠aok