Evaluate the expression for r = –1 and s = 31.

39|r| + s =

Explanation:

39 |r| + s

39 |-1| + 31

39 |-1| = 39

39 + 31 = 70

- PNW

0/5 is 0, 2/0 is undefined, and 0/0 is indeterminate.

step-by-step explanation:

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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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