Which of the four triangle was formed by a translation of Triangle ABC. ? A. 1
B. 2
C. 3
D. 4

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

Find the slope of the line y =8/9x + 1.

Evaluate the expression. (9 + 5)(3 + 2)0