I think the answer would be B. (10,7)
1
When the input is 0 (horizontal axis), the output is 1 (vertical axis).
The answer is 200:9 because the signs are not equal, you have convert one of them into one sign.
40cm=400cm
400mm:18mm
200mm:9mm
answer-200mm:9mm
7(z +2) - 3z =44
Distribute the 7. Distributive property: a(b+c) = ab + ac
7z + 14 - 3z = 44
Simplify like terms.
4z + 14 = 44
Subtract 14 to both sides
4z = 30
Divide by 4 on both sides.
z = 7.5