Answer: Fatigue level
Step-by-step explanation: Dependent variable refers to the measured or observed variable in an experimental study. The dependent variable is the variable observed or studied in other to make assessment of effects which occurs by varying the independent variable. In the study described above, the self reported fatigue level is measured or recorded while subjecting the participant to varying conditions of noise; white noise and normal noise level, which are the independent variables. The dependent variable, fatigue level is the variable being measured in the experiment by subjecting the participants to the two different traet ment conditions which are the independent variables.
(r-s)/r=d would be the rule you use to find the discount when r= regular price and s equals sale price and d= discount
Answer:

Step-by-step explanation:
the quadratic formula is:

a= -2, b = -1 and c =-3
Putting values in the formula

So, 
According to the diagram the answer is 36degree
Answer:
a.J+J+10=M
b. 15+10=25M
c. 9-10=-1 9+(-1)=8
Step-by-step explanation: