PLS HELP ME ASAPP a triangle is placed in a semicircle with a radius of 2 mm, as shown below. Find the area of the shaded region
Use the value 3.14 for , and do not round your answer. Be sure to include the correct unit in your answer.

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

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%

In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.