Answer:
150
Step-by-step explanation:
30 + 30 + 45 + 45 = 150
Go to size on the bottom count 8 numbers, go up 5, mark a point. do the rest for all the numbers in the box!
Answer:
12
Step-by-step explanation:
12
Answer:
2(2n² + 2n) + 1
Step-by-step explanation:
(2n + 1)² can also written as
(2n + 1) × (2n + 1)
= 4n² + 2n + 2n + 1
= 4n² + 4n + 1
= 2(2n² + 2n) + 1
= an odd
Hence Proved!
<u>-TheUnknownScientist</u><u> 72</u>