Factor the trinomial 6s^2-s-5

What is the area of triangle abc if a = 8, b = 11, and c = 15?

An octagonal prism has jow many lateral faces?

Mr. roseanne will buy 12 1/2 pounds beef for for a cookout. the price for the first 3 pounds of beef is $4.99 per pound. after that, the price is $4.49 per pound. how much will mr.roshan pay for the beef