What is unique existent?

What is the common factor of 35 and 140? How is 0.00025 written in scientific notation? How many ways can you make 59 cents? How far is 60 miles? What are absolute relative and polar coordinates? Is 120 a multiple of 6? What is half of 19.4? Composite number between 89 and 100? What is the acceleration of gravity in feet per second? What are two equivalent fractions for 11 over 14? How do you factor mn - 4m - 5n 20? What is the sum of 100 plus 100 plus 50? How many square feet does a roll of tar paper covers? How much does one inch of rain over one square mile weigh? Two rectangles have the same width one length is 1 foot longer than the width the other is 2 ft longer than the width the larger rectangle has 5 more square ft than the smaller what is the width? What three things measure volume? What is the lowest common multiple of 32 and 44? When you build a brick house why are bricks rectangular prisms and not cubes? How do you simplify 6- 4y 3 8y? What is the sample variance and the estimated standard error for a sample of n 9 and scores with SS 72?