Answer:

Step-by-step explanation:
We are given the following in the question:
Let the equation:

be the linear equation that represent temperature at an elevation x.
Temperature at 6000-foot level = 76 f

Temperature at 12000-foot level = 49 f

Solving the two equation, we get,

Thus, we can write the linear equation as:

Sum is add
sum of x and 2 means x+2
nothing to it
Answer:
-4
Step-by-step explanation:
bro thats 6th grade math lol and its SO easy just need to try
ANSWER
My answer is in the photo above
Brand a costs less per load because b is more expensive per load