Four hot air balloons each descend 295 feet per minute for 7 minutes. find the total change in altitude for all 4 balloons. the total change in altitude for all 4 balloons is ___ feet.

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.