Breakfast at Denny's cost $8.63. You give a 15% tip. What is the total cost?

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?