Yes you are right because you understand the terms
Answer: not a solution
Step-by-step explanation:
Y= x+1. (1,0)
Substitute 0 for y and 1 for x and solve
0=1+1
0=2
Therefore the ordered pair is not a solution
The formula of an area of a triangle:

We have:

substitute:

The formula of an area of a circle:

We have 
Substitute:

The area of the shaded region

Answer:
y = 4 - 2x
Step-by-step explanation:
That is the formula, in y = a + mx but it you want it in y = mx+c, it is y = -2x + 4
Answer:
20
Explanation:
To estimate, we round. 102.3 rounds to 100 and 4.7 rounds to 5; this means we divide 100/5, which is 20.