The sales tax on a piece of furniture that cost $450 was $28.13. what was the percent sales tax?

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.

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42