Is square root of 81 rational? irrational? Whole? Integer? Is 3.14159...rational? irrational? Whole? Integer? Is 0.78 rational? irrational? Whole? Integer? Is 1.0100100100...rational? irrational? Whole? Integer? Is 0.22222222...rational? irrational? Whole? Integer?

John read the first 114 pages of a novel, which was 3 pages less than 1/3 of the novel. write an equation to determine the total number of pages (p)(p) in the novel.

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?