Answer:
81
Step-by-step explanation:
-3x-3=9
9x-3=-27
-27x-3=81
The answer to number 17 should be 0.0003. Everything else looks fine.
Answer:
297
Step-by-step explanation:
297 ≈ 12 * √(12^2 + 4 * 11.124^2) + 12^2
Start by finding how many squares in both rooms are. 24 • 15 = 360 and 13 • 4 = 52 (since it is a square room multiply by 4) Now add. 360 + 42 = 412. Now multiply : 6.98 • 412 = 2875.76. The total cost of carpet for both rooms is $2875.76. Hope I helped!