What is the rate of change and initial value for the linear relation that includes the points shown in the table? x y
1 20
3 10
5 0
7 −10

The number of possible solutions of a polynomial can be found by looking

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).

Write a story that matches with the expression 42x-5 pls hurry