X^2+x=2? ? how would i solve this? ?

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.

From a party ,lori made a fruit punch from 1 gallon of orange juice ,2 quarts of grape juice,5 pints of pineapple juice, and 12 cups of cranbarry juice order the juice from least to greatest amount used in the fruit punch