Which of the following is a rational number but NOT an integer? 4
-8
13/2
2.498546426537

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?