Leroy uses 20 pounds of fertilizer to cover 4,000 sq ft of his lawn and 50 pounds to cover 10,000 sq ft. How much does he need to cover his entire yard which has an area of 26,400 sq ft?

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

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?

Which of the following three dimensional figures has a circle as it’s base