Fiona is 7 years older than Gavin. Alex is 12 years younger than Gavin. If the total age is 73 how old is the youngest of them?

I'll give brainliest if you answer right : )

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

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