An archway can be modeled by the quadratic function f(x)=-0.5x2+10 where x is the horizontal distance, in feet, across the ground. How far apart are the bases of the archway? Round your answer to the nearest tenth of a foot.

Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.