Which of the expressions are equivalent to the one below? Check all that apply.
5x (8+3)
A. 55
B. 43
C. 5 x 24
D. 5 x 8+ 5.3

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

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?