I think that is commutative property.<span />
Answer: 15
<u>Step-by-step explanation:</u>
varies directly means: 
Plug in the given values of x and y to solve for k:
→ 7 = k
Next, plug in the k-value of 7 and the given y value of 105 to solve for x:



15 = x
divide $3.20 to get the cost per ounce, and multiply it by 6 to get the price for 6 ounces.
6 ounces = $1.92
hope this helps!! :)
Because the 18-gon is symmetrical, you can rotate it by 360/18 or 20 degrees. This is because when you rotate it by 20 degrees(to the left for explanation matters), any angle will now be in the position of its angle to its left.
Answer:
9^2×10^2
Step-by-step explanation:
9×9 = 9^2
10×10 = 10^2
9×9×10×10 = 9^2×10^2