Answer:

Step-by-step explanation:
you combine like terms and set equal to zero you get
then subtract the 10 and divide by 50 it would give you a
which simplifies to be 
The answer has to be -9 because -9 + -4 is equal to -9 - 4, and that equals -13.
do we have to simplify it or expand it coze it is already simplified
Answer:
Step-by-step explanation:
Null hypothesis should be: The average woman's leg hair grows an eighth of an inch per month: u = eighth of an inch
Alternative hypothesis: The average woman's leg hair growth is not an eighth of an inch per month after treatment: u ≠ eighth of an inch
This test after carrying out its treatment will be able to determine if the drug was effective or not
Well, 10 percent of 2.50 would be 0.25. If you add 0.25, to the original cost it equals 2.75. Bella would have spent 2.50 originally.