Point a, b and c are colinear, and b lies between a and c. if ac= 48, ab= 2x+2 and bc= 3x+6, what is bc?

Answer this question only if you know the 30 points and

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?