Casey spends $50 a week on entertainement period kelly spends 10% less than casey and morgan spends five dollars less than kelly. which expression represents how much morgan spends

Describe all the numbers that when rounded to the nearest thousand are 645,000

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

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.