Loudness decibels (dB), of sound of intensity is defined to be L=10 log 1 1 , where l 0 =10^ -12 W m^ 2 (Watts per meter square is the minimum intensity detectable by the human ear

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =