Which of the following are accurate factors of 4x2 + 5.0 – 21 when multiplied together? Select the two correct answers. (2 points)
(40 - 7)
0 (x + 2)
(52 -3)
0 (+3)

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?

Find the solution(s) to x^2-14+49=0

Consider the triangle. which shows the order of the angles from smallest to largest? angle a, angle b, angle c angle b, angle a, angle c angle b, angle c, angle a angle c, angle a, angle b