Help plz!! Which of the following statements about rational numbers is not correct? A) All whole numbers are also rational numbers.
B) All rational numbers can be written in the form a/b, where b ≠ 0.
C) Rational numbers cannot be negative.
D) All integers are also rational numbers.

Which is the completely factored from of xy^3-x^3y

Find the volume of the described solid. the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x. a) 441b) 147c) 864d) 882

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no