What is the opposite gender of brother?

Can you multiply 13? What is greater 1.9 or 19? What is three times a number and 16? The sum of three consecutive integers is 72? What if miss 1 out of 5 questions what is my grade? What is the middle of 6 and 9? What does fc stamped on a 14 kt gold ring mean? How many feet are 4ft 6 in? How do you divide a heart into three equal parts? What is the value of a 1990 1 rand coin? What times 3600 equals 400? -3x plus 6 plus 15x equals 11x plus 8? What is 17.5 times 2.48? What is 214 over 1000 in simplest form? Here are some milestones in the development of technology used by geographers Put them in the order in which they appeared in history Navigational compass Astrolabe Cartography Aircraft? What is 14 to the power of 2 times 28 to the power of 2 divided by 7 to the power of 2? How many hours is 5000 seconds? Which angle is calculated as the wheels are turned from side to side? What triangle has one angle that measures 40 degrees one angle that measures 90 degrees and another angle that measures 50 degrees? What is the common denominator for 11 3 and 8?