Sprint charges $30 a month plus $15 per GB of data. Verizon charges $60 a month plus $5 per GB of data. For what amount of GB of data do the two companies charge the same amount? explanations

options are
a.
3 GB

b.
2 GB

c.
5 GB

d.
4 GB

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 numbers are included in the set of integers? what numbers are not included?

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters