Solve the proportion for the variable given.

4/6 = 9/x
A) 10
B) 6
C) 1
D) 27/2
Answer is d) 27/2
(not asking I'm just informing)

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Ineed no it anyone can see this