Answer:
21.4476105895
Step-by-step explanation:
Using a calculator 
Answer:
The slope of this line is -4
Step-by-step explanation:
To find the slope, you need to solve the equation for y.
4x + y = -9
y = -4x - 9
The slope in this form is always the coefficient of x, making it -4.
Answer:
83 1/3 words per minute
or approximately 83 words per minute
Step-by-step explanation:
4 pages * 250 words/ page = 1000 words
1/5 hour * 60 minutes/ 1 hour = 12 minutes
1000 words / 12 minutes = 83.333333333.... words per minute
83 1/3 words per minute
Subtract final value minus starting value.
Divide that amount by the absolute value of the starting value.
Multiply by 100 to get percent increase.
If the percentage is negative, it means there was a decrease and not an increas