Which statement shows how two polynomials 4x+6 and 2x^2-8x demonstrate the closure property when multiplied?
a. 8x^3-20x^2-48x is a polynomial
b. 8x^3-20x^2+48x may or may not be a polynomial
c. 8x^2-32x^2-14x is a polynomial
d. 8x^3-32x^2+14x may or may not be a polynomial

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3