What are the solutions to the system y=x^2+5x-9 y=2x+1

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

If my mom gets $13.05 an hour, and she works from 3: 30 to 10: 45 in the morning, how much money does my mom make?

Find the value of x. also give me an explanation so i can complete it to other questions as well, : )