Subtract 52 from -56 and divide by 3

The slope is the difference of the y-coordinates divided by the difference of the x-coordinates, which gives us 5/2, or 2.5
Distributive property, multiply a sum by multiplying each added separately and then adding the products a(b+c)=ab+ac k(m-n)=km-kn
Term, Part of an expression that is added or subtracted. These can be a single number, variable, or numbers and variables multiplied together.
Variable, A letter or symbol that represents a value.
Constant, It’s a number kn it’s own, but it has a fixed value.
Coefficient, the number in front of a variable.
Hope this helped!!
He is wrong because 12:55 is one hr and you still need to get to 1:25 but he only got to 1:01 so he did not get the correct answer