Fractions
i need to know if i need to add or subtract?

Two lines parallel to a third line are parallel to each other. always sometimes or never

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then, the two had the same amount of money. how much money did each have originally?

Determine the standard form of the equation of the line that passes through (-2,0) and (8,-5)