A formula for determining the finite sum, S, of an arithmetic sequence of numbers is S = (a + b), where n is the number of
terms, a is the first term, and b is the last term. Express b in
terms of a, S, and n.
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answer

the first option is the answer.

the number of possible outcomes that do not show a 1 on the first spinner and show the number 4 on the second spinner is 2.

spinner 1 spinner 2

1                     1

1                     2

1                     3

1                     4

2                   1

2                   2

2                   3

2                   4   = not 1, and 4

3                   1

3                   2

3                   3

3                   4 = not 1, and 4

only 2 outcomes have passed the given condition.

step-by-step explanation:

18.8cm hope i at all

step-by-step explanation: