Give the explicit form

= 100n - 112

Step-by-step explanation:

Given the recursive formula

= + 100 with a₁ = - 12

This tells us that any term is found by adding 100 to the previous term

That is common difference d = 100 and a₁ = - 12

The explicit formula for an arithmetic sequence is

= a₁ + (n - 1)d , thus

= - 12 + 100(n - 1) = - 12 + 100n - 100 = 100n - 112

$11.00

Because  .70 + .10 = .80

.80 times 55 = 44

55 - 44 = 11

If you add tax however, it would be 11.66.

Because 11 times .06 = .66

.66 + 11 = 11.66

Step-by-step explanation:

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