Which of the following is the midpoint between (3, 1) and (7, 1)? a. (5, 1) b. (4, 1) c. (5, 2) d. (5, 0)

If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?

Arectangular garden measures 5m by 7m. both dimensions are to be extended by the same amount so that the area of the garden is doubled. by how much should the dimensions increase, to the nearest tenth of a metre?

Find the quotient 9(cos135+isin135)/7(cos10+isin10)