A striped marlin can swim at a rate of 70 miles per hour is this a faster or slower than a sailfish which takes 30 minutes to swim 40 miles

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?