Last year the depth of the river was 4.2 feet deep. This year it dropped 21%.

Find the depth of the river this year to cross it.
PLEASE HELP ME

Akite is being flown at a 45 angle. the string of the kite is 120 feet long. how high is the kite above the point at which the string is held?

Which equation represents the line that passes through the points and (4, 10) and (2, 7)? y = 3/2x - 11y = 3/2x +4y = - 3/2x + 19y = - 3/2x + 16

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5