Answer: 27.52
Step-by-step explanation:
Answer:
(x+7)·.2
Step-by-step explanation:
The sum of x and 7 is x+7. The word sum indicates addition. Then it says multiply by 1/5, so i converted it to decimal which is .2
Answer:
81x² - 81
Step-by-step explanation:
Step 1: Write expression
(9x - 9)(9x + 9)
Step 2: Expand by FOIL
81x² + 81x - 81x - 81
Step 3: Combine like terms
81x² - 81
Answer: 2/12 i think is the answer
Step-by-step explanation: