What are five examples of mathematical?

The area of a triangle is 42 square inchesthe triangle's base is 6inches find the height of the triangle? Which mixed number is equivalent to 9.5? 5 10 in the simplest form? Formula for finding the sum of the angles of a polygon? How do you write 47 100 as a percentage? What are the quotient for 210 divide by 9 equals? What is six twelves as a decimal? How would you calculate the density if the object is cube? How do you make a x y graph? Is 9 yards same as 28 ft? What are two expressions of 500? What is the formula in finding triangular numbers? How many 8's go in 1000? What can lead to a false sense of security? What is the general rule in finding the volume of solid figure? Which triangle has 1 axis of symmetry? 28 dollars is what percent of 40 dollars? Is a systematic approach leading from an initial situation to a desired situation that is subject to some resource constraints? What simple device did the Chinese use in the twelfth century to perform mathematic calculations? What fraction of 1 meter is 27 cm?

What are five examples of mathematical?