Does negative fractions become positive when you reciprocal

Use the distributive law to multiply. 3(4x + 5y + 6)

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

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.