4) In a sample of people in the town hall, 20 of 25 favored building a new park for the town. If 4,000 people vote in the next local election, how many are likely to vote in favor of the new park? ​

Precalculus question, image attached.

At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.

|z| > (1/2) {-1/2, 1/2} {z|(-1/2) < z < (1/2)} {z|z < (-1/2) ∪ z > (1/2)}