Answer:
and 
Step-by-step explanation:
Coefficients are simply the numerical constants "attatched" (being multiplied by) [to] the variables.
Answer:
The fourth one
Step-by-step explanation:
Only the first one x and y interval 1, 2. The rest aren't linear.
Answer:
11111/100000
Step-by-step explanation:
Good luck
ANSWER
80 units²
EXPLANATION
One way to solve this is to find the area of the blue square and the subtract the areas of the red triangles:
The blue square is 12 units long by 12 units wide. Its area is:

Then, the area of the big triangle, which has a base 12 units long and a height of 10 units, is:

The smaller triangle has a base of 4 units and a heigth of 2 units. Its area is:

So the total area of the figure is:
Well I really don’t know but good luck w this I hope you pass school is so stressful