Find the sum of the first five terms of the sequence.
-12,6,-3

(−12)+6−3+1.5−0.75 = −8.25

Step-by-step explanation:

Dividing number by -2

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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