What is equivalent to 6-4.5 plus (-8)?

Does a Speedometer measures in kilometers or meters? What is3300 divided by four? If you know the distance traveled and the time traveled can YOU determine an object and DIRECTION? Finding the diagonal length? What is an equivalent fraction for 7 out of 32? What does 538 divided by 63 equal? 600 milligrams equals grams? How do you find out how much a tenth of a number? How many zero one million dollars? 3653 rounded to the nearest hundred? How many geometric shapes are in the Egyptian Pyramids? How old was Albert Einstein's mother when she had Albert? How many sides are there in a biolectral agreement? What is 36 divided 6 plus 3? What is it called when fractions that name the same amount or same part of a whole number? When rounding a number which digit in the number helps you decide to round up or down? How do you write 2.8 as a percent? What is 2 and 1 fifth multiplied by 5 sixths? How much is one dollar forty five? What is the equivalent ratio of 210?