Which of the following is considered a trinomial 5x ^ 2 - 3x + 5 4x ^ 2 + x - 5 (x ^ 2)/5

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

Which of the following parabolas opens up?

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)