Find the number of terms in the arithmetic sequence
-7,-5.6,-4.2,-2.8,1.4,...,103.6

What is the approximate circumference of the circle shown below?

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?

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum