Which equations show that the set of whole numbers is closed under addition?

Choose all answers that are correct.

A.

0 + (-1) = - 1

B.

1 + 1 = 2

C.

2 + 0 = 2

D.

2 + (-1) = 1

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Use the given information to find the P Value. Also use a. 05 significance level and state the conclusion about the null hypothesis. With Ha: P = 3/5, the test statistic is z =.78

If f (x) = - 5x+1 and g (x) = x^3 then what is (g°f) (0)

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Maya's credit card has an APR of 11.84% and a billing cycle of 30 days. The table below shows her transactions with that credit card in the month of September. Date Amount ($) Transaction 9/1 395.61 Beginning balance 9/8 24.13 Purchase 9/13 68.