On a real number line, x = -4 and y = 7. what is the length of the line xy?
a: 11
b: 3
c: -11
d: 7

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?

Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry