Can someone please help me I’ll give brilliant thingy

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)

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.

Find the distance between (7,-6) and (-3,-9)