Is the following expression greater than, less than, or equal to zero? (a^2+b^2)/(a^2+b^2+1)

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

Written as a simplified polynomial in standard form, what is the result when (2x+8)^2(2x+8) 2 is subtracted from 8x^2-38x 2 −3?