Answer:
1. They consist primarily of variables.
2. They are often called formulas.
4. They often describe real-world relationships.
The 3 angles need to equal 180 when added together:
A) 49 + 59 +72 = 180
The others do not equal 180
Answer:
-25.49
Step-by-step explanation:
(-3.8)+(-21.14)+(-0.55)
-3.8-21.14-0.55
-25.49
