A wall has an area of 40 square feet. Its height is 8 feet. Which equation could you
use to find its width?

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?

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29