How many hours is working from 9am to 5.30pm?

Simplify the ratio 18b'2 to 45b? What is 1000 divided by 30? How many mm in a meter? What are the lowest common multiples of 3 4 9? How many hours will it take to complete a 63 km bike ride if you go 20 km per hour the whole time? How do you write five hundred and sixty seven thousandths? What The line containing the altitude to the hypotenuse of a right triangle whose vertices are P(-1 1) Q(3 5) and R(5 -5).? What is 24 divided by one and a half? What is the hardest math question in the world? Write the number in expanded form 30672? How many square metres is surprise stream bridge? How many pieces in a gross? How much diamond 0.02 CT diamond? What is the answer Subtract nought point one from two? 3x - 3y equals 12 4y - 8x equals -16? What are the types of variation in mathematics? What does 3 3616 4? How do you write 62 430 021 in words? Is 8 a factor of 100 and 40? If a train travels 200 miles in 2.5 hours what is the rate of speed?