Which of these equations represent functions where x is the input and y is the output?
Select each correct answer.
2. Solve this equation for x.

Enter your answer in the box.
0 5(5 7 ) 8 (4 6) . − =− + x x
A.
B.
C.
D.
E.
x = 2
y = 2
y x = 2
x y = 2
x y + = 2

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

(x-5)1/2+5=2 what is possible solution of this equation

If your score on your next statistics test is converted to a z score, which of these z scores would you prefer: minus2.00, minus1.00, 0, 1.00, 2.00? why? a. the z score of 2.00 is most preferable because it is 2.00 standard deviations above the mean and would correspond to the highest of the five different possible test scores. b. the z score of 0 is most preferable because it corresponds to a test score equal to the mean. c. the z score of minus2.00 is most preferable because it is 2.00 standard deviations below the mean and would correspond to the highest of the five different possible test scores. d. the z score of minus1.00 is most preferable because it is 1.00 standard deviation below the mean and would correspond to an above average