Hi I will Award brainlist : Over what interval(s) is the function negative? Explain how you know.

Plz answer asap plz which is a solution to the equation 4b2 − 11b = 28 + 5b2? a) −5 b) −4 c) −3 d) 4

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.