The point j(4,-1) is reflected over the x-axis. what are the coordinates of the resulting point j'?

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

In the diagram of circle o, what is the measure of zabc?