The width of a rectangle measures (3.8b-1.5) centimeters, and it's length measures (4.3b-7.2) centimeters. Which expression represents the perimeter, in centimeters, of the rectangle A.) -17.4+16.2b
B.) -2.9+2.3b
C.) 4.6-5.8
D.) 8.1b-8.7

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 measured the width of a window in inches and then in feet with measurement would you have the greater number of units

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply