486/6 = 81
Square root 81 = one side length = 9m volume = 9^3 = 729
You multiply 2(x+1) which is 2x+2.
Then you multiply 5(2x-3) which is 10x-15
Finally, you add 2x+2 and 10x-15, and you get 12x-13
The answer is 12x - 13
Hope this helps!
The answer is letter B.
Here's how to evaluate the expression. Open the attached file.
Answer:
x = 11
Step-by-step explanation:
Combine the like terms in the given 7x-12=6x-1:
7x - 6x = -1 + 12, or
x = 11
