Agroup of fans at a football game are sitting in 7 rows with 28 in each row. in the center, a section of 14 fans in 3 rows and a section of 11 fans in 3 rows have cards spelling out the team name. how many fans do not have a card?

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

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?

Write the expression 7x^3-28xy^2 as the product of 3 factors