Find the sum of the arithmetic sequence. 3, 5, 7, 9, ..., 21 Choices: 39 120 20 23

asked Nov 16, 2022 115k views

0 votes

Find the sum of the arithmetic sequence.

3, 5, 7, 9, ..., 21
Choices:
39
120
20
23

4.2k points

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3 votes

Answer:

Explanation:

5-3=2

7-5=2

21+2=23

its adding 2 each time the numbers change

Polli Ester answered Nov 19, 2022

4.5k points

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