Answer:
I think there would be 12 seats
Step-by-step explanation:
The pattern adds two each time, so you can look at the last row and add two. 10+2=12
Answer:
22
Step-by-step explanation:
Answer:
<u>9x² + 42x + 49</u>
Step-by-step explanation:
<u>Identity</u>
In this case, x = 3x and a = 7, so <u>substitute</u> the values.
- (3x + 7)²
- (3x)² + 2(3x)(7) + (7)²
- <u>9x² + 42x + 49</u>
2,072 millimeters
207.2 centimeters