Answer:
9x -7
Step-by-step explanation:
8x-6+x-1
Combine like terms
8x +x -6-1
9x -7
Yes your correct but thats not a question
Answer: 94 cm^3.
Step-by-step explanation: You use the formula 2(ab+bc+ca). You plug in 3, 4, and 5 to get 94.
80-7 equals 73. The square root of can be found with a calculator. It is equivalent to 8.544
