How do i turn -187/2 into a decimal? :) thxs for helping if u do btw

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

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.

Once george got to know adam, they found that they really liked each other. this is an example of what factor in friendship