A restaurant gives away a 20% off coupon.
The tax rate is 7.5%.
If an item is listed at $15,how much does it cost after the coupon and tax?EXPLAIN!!

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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answer is the third choice:

3x^5+4x^4+x^3+2x^2-10x-7=0

step-by-step explanation:

the answers are in the images, i received 100% on this assignment. hope this !

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

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