What is a notemarker?

Can you retire at 55? What is .70 equal to in minutes? What is 1 over 2 plus 3 over 10? What is 321 divided by 40 the awser is? What multiplication problem equals 64? How do you write 2000000 in words? Half of 160 is? What was the Chinese estimate of pi value? What are the kinds of triangle according the measure of angle? Rewrite 3over 5 as a percent multiply by 4? How do you find the maximum interior height of a shed that is 10'W x 8'L and occupies 440 cu. ft. Assume that the angle at the apex of the roof is 120 degrees.? What is the estimate quotient of 194 divided by 6? What is 850 billion divided by 350 million? How many is 18 nickels? What is the unit rate of 3 inches of rain in 6 hours? An angle 10 more than its supplement.find the angle? How many palindromic numbers are there between 400 and 500? How many sides does a (nonagon) have than a (pentagon)? What is 1000000000 minus 60000? Resistivity range of semiconductors lies between the range of?