Quadrilateral KLMN was reflected across y = -2. Find M.

The picture states it is reflected across y = -x, which is different to y = -2 (maybe the question before's answer was 2? However this question is not linked)

If it is y = -x, the answer is (1, 1)

If it is y = -2, which I doubt, the answer is (-1, -3)

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or