a laptop has listed price of $607.95 before taxes. if the sales tax is 6.75%, find the total cost of the laptop with sales tax included

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?

Solve this problem! extra ! 3025/5.5 = a/90.75

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?