Can anyone answer these 4?

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

Which region represents the solution to the given system of inequalities? |-0.5x+y23 | 1.5x+ys-1 5 4 -3 -2 -1 1 2 3 4

If the discriminant if a quadratic equation is 4 which statement describes the roots?