Answer:
Key points. A public good has two key characteristics: it is nonexcludable and nonrivalrous. These characteristics make it difficult for market producers to sell the good to individual consumers. Nonexcludable means that it is costly or impossible for one user to exclude others from using a good.
Explanation:
Answer:
0
Explanation:
Use pythagorean theorem, and get that 40 is the height (50-10), while half of the cable is 40, so 0 is the distance.
Answer:
x = 70°
The external angle of a triangle is equal to the sum of the 2 opposite interior angles.
120° is an external angle of the triangle, thus
x + 50 = 120 ( subtract 50 from both sides )
x = 70