1.16. Which is the approximate perimeter of triangle PQR? BR
Р
Q
2
4
I
-10
A. 16 units
B. 17 units
C. 19 units
D. 21 units

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?