200 divided by 5.50 is what because if one hour is 5.50 and you need 200 how many hours do you work

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

Find the vertex of the function given below y=x^2-6x+1

Is it greater than or less than7*3_9*2