Help with any of that please

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

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?

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax