18 Look at this expression.
abc
a3b3c1
Which of the following is the simplest form of the expression above?
A.
-1
B.
1
C.
a 6662
D.
062

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).

What is the first step of an indirect proof of a number that is divisible by two

Find the length of the diagonal of the rectangle. round your answer to the nearest tenth. || | | 8 m | | | | 11 m