Which represents the solution(s) of the graphed system of equations, y = x2 – 2x and y = -2x – 1? A ( 1,-1. ) B (0,0) & (0,-1) C (0,0) & (2,0) D no solutions

The intensity, or loudness, of a sound can be measured in decibels (db), according to the equation 0b is the intensity of a given sound and lo is the threshold of hearing intensity. what is the intensity, in decibels, [l(db)], when 1 - 10"(%)? use a calculator. round to the nearest whole number a. 15. b. 32 c. 320 d. 737