Show how
-1(x - 3)^2 + 4 is equal to
-x^2 +6x - 5

Rai compares two cable plans from different companies. which equation gives the correct value of mm, the number of months for which plans a and b cost the same?

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?