When the price is 0 the quantity demanded is 500, and when the price changes by 10 the quantity would change in 100 units. Then what’s the unit price elasticity when the price is 20 a. -1.5
b. -0.5
c. +0.25
d. 5

In a sample of 200 residents of georgetown county, 120 reported they believed the county real estate taxes were too high. develop a 95 percent confidence interval for the proportion of residents who believe the tax rate is too high. (round your answers to 3 decimal places.) confidence interval for the proportion of residents is up to . would it be reasonable to conclude that the majority of the taxpayers feel that the taxes are too high?

Is this a polynomial function? i need to know asap

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.