What is 18/121 reduced? can you even reduce it?

Find the value of the cosine for angle a

If lmn=xyz, which congruences are true by cpctc? check all that apply

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.