A1, a2, a3, ..., an

In the sequence above, each term after the first term is equal to the preceding term plus the constant c. If a1+a3+a5=27a1+a3+a5=27, what is the value of a2+a4a2+a4 ?

A. 5
B. 9
C. 13
D. 18
E. 22

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=

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