GIVING OUT BRAINLIEST 1. At a cafeteria, Henry orders two pieces of toast and a bagel, which comes out to $3.15. Harry orders a bagel and a muffin, which comes out to $3.30. Hank orders a piece of toast, two bagels, and three muffins, which comes out to $9.15. How many cents does one bagel cost?
2. What number can be placed in the parenthesis , so that the resulting quadratic expression is the square of a binomial?
x^2 + 22x + ( )