2.74 - (-19.4) = 22.14, so the freezer is 22.14°c colder. I hope that helps!
167 + 19 = 186x
186x + 16 = 1132
subtract 16 from both sides
186x = 1116
divide by 186 on both sides
x = 6
they bought 6 tickets total
M= slope B = y intercept
So the 4 would be the slope and the -5 would be the y intercept
If you mean
3/15+12/6
the answer is 2.2
