Answer:
9
Step-by-step explanation:
If you add 9 to both sides, you will isolate the 'x' term.
hope this helps :)
Answer:

Step-by-step explanation:
The following information is missing in the question:
We have to find z-score for the given score on this dental anxiety scale: 12, 6
We are given the following information in the question:
Mean, μ = 11
Standard Deviation, σ = 4
We are given that the distribution of score is a bell shaped distribution that is a normal distribution.
Formula:

where x is the given score on this dental anxiety scale.
For x = 12

For x = 6

Answer:
try 21
Step-by-step explanation:
if not im as stuck as you are :(
6.) triangles; 6 units
7.) 5 x 6; 30 units
8.) 72 units
9.) 84 units
Hope this helps!
In order to write in scientific notation you have to write an expression with a whole number times 10 to a certain exponent. In this case the nearest whole number would be 7.65 and you have to move the decimal place twice to the left to get the desired number. Thus, the exponent would be a negative number. The final answer is : 7.65 x 10^-2.