Evaluate the function below for x = 2.
f(x) = x4+ 6x3+ 3

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?