Answer:b
Step-by-step explanation:
because you need to multiplay 7 times x and then do the x to the 2 power then add
She has 4 groups all together. 3 groups with ten rocks each and 1 group with 8 rocks(8/10).
If $6 is 2/3 of the cost, then we can create a proportion to find the answer. This proportion would be 6/x = 2/3. By cross-multiplying, we then get 2x = 18. Finally, we divide both sides by 2 and get x = 9. Therefore, the answer is $9.
Hope this helps!
5.
when i rolled a dice it was 5.
A millennium is a period of one thousand years