How do you know when to simplify?

How tall is 172 cm equal to height? What is the fractional notation of 4.25? Consider the scenario described below and determine whether W.50. W.30. is true or false Hint. Remember that the water is leaking from the tank? What is 0.612 rounded to the nearest hundredth? If the legs of an isoceles right angle are 7 what is the hypotenuse? What is the function of a fence? How do you find the area of a triangle that is 12 feet by 12 feet? What does it mean if your monocytes is less? One jojan equals how many miles? 1 face 0 edges 0 vertices? How many decimetres are in a centimeter? What if your average speed on the first half of a car trip is 67 km per hour How fast do you have to drive on the second half of the trip to achieve an average speed of 86 km per ho for the whole trip? How do you spell 59 in french? Which major has 1 sharp? What is the inequality statement for -5 and -3 4 4? What does extreme mean in math? Why did expression painting start? Why atomic mass of chlorine is 35.5? Ten minus five plus six divided be two plus four? What number is CXLIV?