Is the converse of the statement valid? If a is odd, then a + 7 is even.

Yes. If a + 7 is even, then a is odd.

Yes. If a is odd, then a + 7 is odd.

No. If a is even, then a + 7 is odd.

No. If a + 7 is odd, then a is even.

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step-by-step explanation:

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what is the approximate angle of acb if abc is 25cm and the length of segment bc is 15

step-by-step explanation:

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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