In the floor plans of a rectangular building, Daniel can see that the building's perimeter is 840 m and its area is 44,000 m2, but the width and length of the building are not noted. Find these dimensions. width (x)
length(y)​

And employee salary increased by $4500 which represents a 15% raise what is the rate of the increase

Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning