A generous tip at a restaurant is 20%. Mentally estimate the amount of tip to leave for the check amount of 13.64 dollars. Round your answer to the nearest cent.

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

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

[15 points, algebra 2]simplify the complex fraction and find the restrictions.