The sum of a number and three is less than nineteen less than the number

The polynomial 10x3 + 35x2 - 4x - 14 is factored by grouping. 10x3 + 35x2 - 4x - 14 5x )-20 what is the common factor that is missing from both sets of parentheses?

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250

Find the sixth term of the following geometric sequence.