Answer:
320
Step-by-step explanation:
Well, the volume of a pyramid is 1/3 b * h
What is the height of one of these pyramids? Well, they tell you that it's 10. What is the base? It's 6 * 8 = 48
10 * 48 * 1/3 = 160
Now multiply by 2 because there are two pyramids. One on top and one one bottom. 160 * 2 = 320
-19x+1 is the simplified version. You collect like terms to get (-10-9)x+1 and then calculate the difference for the answer.
Answer:
Step-by-step explanation:
2040. 10 times 4 is 40. If it happens every ten years then when the Olympics happen 10 times it would be 2040.