Answer:
8xy
Step-by-step explanation:
Subtract -13xy from -5xy
-5xy - (-13xy) =
-5xy + 13xy =
8xy
<em>good luck, i hope this helps:)</em>
Answer: 9in•6in
Step-by-step explanation:
12•4=48 inches
9•6=56 inches
Given two points
, the slope of the line connecting them is defined as

In your case, the points are

Plugging these values in the slope formula gives

The sum is 10s^2t-5st^2. With two separate sections it’s a binomial, and the sum of the powers of the variables is 2+1=3, it has a degree of 3.