Answer:
D. (6,6)
Step-by-step explanation:
Given the system of two equations

1. Add these two equations:

2. Subtract these two equations:

Hence, the solution to the system is (6,6)
Answer:
sorry i dont understand either
Step-by-step explanation:
Total blocks = 35+47+22+21 = 125
Sum of red blocks and green blocks = 47+35 = 82
So the probability = 82/125 = 0.656
This is the answer i believe!! (p.s. cymath is a great website to use for this kind of stuff:)
Answer: C) A pair of intersecting lines
Step-by-step explanation: The three types of degenerate conic sections are a point, a line, and a pair of intersecting lines.
I hope this helps!