Please help i beg you

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

Me. brady is putting trim around the edge of circular merry-go-round that has diameter of 15 feet. how much trim does he need to buy to the nearest tenth

This trip the family will spend $117.96. the next trip they will spend $119.27. this is an increaseof $117.96 - $119.27| or an increase of $1.31.what is the percent of increase? round your answer to the nearest whole percent. type your answer into the space.the percent of increase is: resetsubmit