What is 9/11 +2/3 and show the work

How many $20 bills do you need to have to make $280

Find the zeros of each function. f(x) = x^2 + 5x - 6

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points