Find (a) PQ to the nearest tenth and (b) the coordinates of the midpoint of PQ. P(-3,6), Q(-4,-3)
(a) PQ=[(Round to the nearest tenth as needed.)

Me with this one question, and i'll upvote the brainliest answer

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?