Is 989989998 rational or irational

Name of 8 sided fig? What is -83x-5? What is the mixed number for 150 percent? What is 3 8ths of 32? How can 56000 be invested part at 7 percent annual simple interest and the remainder at 5 percent simple annual interest do that so the interest earned by both accounts is equal? Can 19 be divided? What sign do you use for 3 is greater than 0? Putting mathematical terms in descending order? A number written with one digit for each place value is in what form? Why is square to plane like cube to solid? What is the difference between a radical equation and a quadratic equation? What number is 60 percent of 980? How many feet between manholes? What number is 2 percent of 100? How much is 17.2 g in pounds? Find the arc length L of the curve C given parametrically x equals 1 plus 2et y equals et 0 t1? What is all real fourth roots of 16? What is 6.65 time 0.02 equals? How many year in a 52 weks? How many quarters are there in an hour?