A rectangle has vertices (4, 2), (4, 9), (13, 9), (13, 2). find perimeter and area?, The average of 8 no. is 24.The first seven numbers are:18, 21, 25, 27, 22, 26, 20 find 8th no?, A rectangle has vertices (7, 3), (7, 13), (16, 13), (16, 3). find area and perimeter, the sum of 3 consecutive numbers is 72 . find the 3 numbers ?, A father is 4 times as old as his son. together their age adds to 50. how old is each person?, The perimeter of a rectangle is 70 cm. the length is 6 cm longer than the width.find length and width, 5a+18=3a+34, 6x+15 = 3x+ 33, x/5 + 8 = 20, 4(2x + 3)=27

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