A should be the correct answer. As you can see, the cubes on the lowest level is 1 cube. The second level is equal to 2 cubes and the highest level is equal to 3 cubes
Answer:
2x - 20
Step-by-step explanation:
-20/2 + 2x - 10
-10 + 2x - 10
2x - 20
C. is the correct answer ,the reason is it is basically saying 5 is equal to the equivalent value of X.The absolute value is value of the number's distance from 0.That is why the correct answer is C.
Add of the numbers to together, which gives you 28 and divide by 7 which makes the arithmetic mean = 4