Can someone answer. there is a picture. it is only one question. you so much!

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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.

What percent of 18 is 24? and plz explain thx.