China plate is 12 years (16-4) and Glass plate is 4 years (12÷3)
The wording of your question suggests that there were answer choices. Mind sharing them?
The system <span>y=-2x^2 y=x-2 would be best written as:
</span><span>y=-2x^2
y=x-2 If you subst. x-2 for y in the first equation, you'll get:
x-2 = -2x^2, or 2x^2 + x - 2 = 0.
</span>
6 1/3 is 19/3
8 1/2 is 17/2
4 3/5 is 23/5
Pls mark brainiest