Elena wants to put a new layer of soil in her garden. She needs to know the area of her garden so that she knows how much soil to buy. If the garden is 14 meters by 6 meters, how much area does she need to cover? 10 points

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).

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)