Answer:
x=2/5
Step-by-step explanation:
Answer:
The answer is the second option
Step-by-step explanation:
Let u=x^2.





Set this equal to x^2


or



or

Answer:
-2/7
Step-by-step explanation:
Going from (7,-1) to ( 21,-5) we see x (the 'run') increasing by 14 and y (the 'rise') decreasing by 4. Thus, the slope of the line connecting these two points is m = rise/run = -4/14, or -2/7.
Answer:
x=-4
Step-by-step explanation:
x - 2x - 5 +4x = 7 + 6x
3x - 5 = 7 +6x
-3x -3x
-5 = 7 + 3x
-7 -7
-12 = 3x
-12/3= 3x/3
-4 = x
Answer:
Answers 2,3, and 4 are all biased.
Step-by-step explanation:
She has to check ALL her patients to be unbiased. Otherwise she is showing favoritism and bias.