If a complex number has a real number component of -9 and the length of its vector is 15, what is the imaginary coefficient if it is a positive number?

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