What is different about 2 1/2 and 5/4?

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

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.

Which of the functions graphed below has a removable discontinuity?