Which of the following represents a Pythagorean Triple?
3. 4.6
5.12.15
6.8.10
12, 18, 30

Which is an equation for the nth terms of the sequence 12,15,18,21

Which expression shows the sum of the polynomials with like terms grouped together

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?