A submarine began the day at sea level. It descended 1,200 feet in one hour, and then the submarine continued to descend at a constant rate for the next 3 hours. I f the submarine was-5,465 feet below sea level after the four hours, what was the constant rate of descent during the three-hour period of time measured in feet per hour?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Runners run around the school's football field. the cross country coach determines that the width of the field is seventy yards shorter than the length. part a write an expression that represents the perimeter of the football field. let x represent the length of the football field. include parentheses in your expression. next, write an equivalent expression that does not include parentheses. what property or properties did you use to simplify? explain. part b the cross country coach later determines that the length of the football field is 120 yards. all students must run five laps. using your answer from part a, determine the actual number of yards that each athlete must run in the tryouts. in order to make the team, students must complete the laps in 6 minutes. how quickly must they run each lap?

Who can me with this algebra for your guys.