Jane coved the outer sides (incluind the bottom base)of a lidless gift box in the shape of the cube with decorative paper. She use 405 cm2 of paper. How long is an edge of the box

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).

Plzzzz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.

Can someone me with this problem i don't understand i need