(pay attention to the nimbers) A submarine must descend at an average rate of at least 10 feet per minute for 5 minutes. The table shows how many feet the submarine descends in the first 4 minutes. How many feet must the submarine descend in the fifth minute? (show your work)

Answer: the correct answer is 10step-by-step explanation: let the number be n, then the expression becomes,then“twelve more than the quotient of a number and two, decreased by four” iswhen n=4,we substitute 4 whetever we see n to get,we simplify to obtain,we further simplify to get,therefore the correct answer is c.