Renu bought 28 articles for INR 1540 she sold them at a profit equal to the selling price of 6 articles how many articles did she sell for INR 840​

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

25 ! i need asap! ! ill mark brainliest!

The longer leg of a 30-60-90 trangle is 18