Enter the value of x so that the expression (2.10 - 0.7) + (6 + 3.4) is equivalent to 3.95 + 2.7.

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.

Is a for each hour he works,his earnings go up by $4