Answer:
Not a triangle.
Step-by-step explanation:
Sum of the two smaller sides must be greater than the largest side.
Answer:
Point C
Step-by-step explanation:
At point C, the graph is changing from decreasing to increasing.
Answer:
x=5
Step-by-step explanation:
add 5 to both sides
-20+5 = -3x
-15=-3x (divide)
x=5
Answer:
26
Step-by-step explanation: