Answer:
x+9
Step-by-step explanation:
if you expand...you could get x+9, which is the same as the given expression
Answer:
(x -
)² + 
Step-by-step explanation:
x² - 5x + 8
Using the method of completing the square
add/subtract ( half the coefficient of the x- term )² to x² - 5x
x² + 2(-
)x +
-
+ 8
= (x -
)² -
+ 
= (x -
)² + 
Answer: there is a relationship between study hours and test score. as the hours of studying increase, the test scores increase.
Answer:
yes it is hard
Step-by-step explanation:
Most people don’t really learn statistics until they start analyzing data in their own research.
Answer: need more information
Step-by-step explanation: