1. What do you notice about a diagram when using the correct tools? 2. What are points P and Q called? 3. What do you notice about segment PQ

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq

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%

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?