How will the difference of two numbers change if:
(−15) is added to the minuend?

If a negative number is added to the minuend, the sign changes to a positive.

Step-by-step explanation:

For example, if the minuend is 4, and -15 is added;

4 - (-15), your answer will be 4 + 15 = 19 because

- × - = +

false

step-by-step explanation:

false.   two legs of the trapezoid would be congruent, but the other two would not.   were all the legs congruent, then we'd have a square; were the 2 shorter sides congruent and the 2 longer sides also congruent, we'd have a rectangle.