This is how a triangle is equal to one another, SAS is side angle side, AA is angle angle, ASA is angle side angle, and SSS is side side side, yours looks like AA but I might be wrong. I believe it is AA, so if you have no clue just go with AA
Answer:

Step-by-step explanation:
Given that,
Mass of a sample, m = 12 g
Heat absobed by the sample, Q = 96 J
It was heated from 20°C to 40°C.
We need to find the specific heat of a material. The heat absorbed by a sample is given by :

So, the specific heat of the material is
.
We want to find out how much it costs for each pound of feed
For chicken feed 12 divided by 8.40
$1.43 for 1 pound of chicken feed
For goat feed 75 divided by 60
$1.25 for 1 pound of goat feed
For dog feed 50 divided by 37.50
$1.33 for 1 pound of dog feed
For pig feed 80 divided by 62.80
$1.27 for 1 pound of pig feed
When reviewing all the answers per pound for feed, chicken feed is the most expensive per pound.
Hope this helps:)