A submarine that is 225 feet below sea level descends 67 feet and then ascends 110 feet. What is the location of the submarine compared to the sea level now?

Which of the binomials below is a factor of this trinominal? x^2-13+30

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?

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}