Solve X-3)^2=5 give your solutions to 3 significant figures

Suppose a ball is dropped fromca height of 6ft. it bounces back up but time it bounces, it reaches only 7/10 of its pervious height. what is the total of each height that the ball reaches after 5 bounces

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels