Please help -4/22t - 5/22t

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

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below.the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)