In the sum of two numbers is 15 and the product is 56, what are the two numbers?

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?

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Plz hurry evaluate the expression a+b where a=8 and b=19