Factor a number, variable, or expression out of the polynomial shown below. 15x^3 + 20x a. 15x(x^2+5x) b. 5x(3x^2+4x) c. 5x(3x^2+4) d. 15x(x^2+5)

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

What is the result of adding the system of equations? 2x+y=4 3x-y=6

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy