Alibrary normally collected $42 in fees a month but in march they collected $60.48 what is the percent increase in the number of these collected in march?

What expression is equivalent to 42x-56y

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.

2/3(-6y+9x) expand each expression using the distributive property