Paulo paid $12.25 for some pencils and pens. he bought 19 more pencils than pens. the pencils cost 25¢ each and the pens cost $1.25 each. how many pens and pencils did paulo buy?

Which graph represents the solution set for the given system of inequalities? x+2y< 3 x+y> 4 3x-2y> 4

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?