Help me please this is due tonight and I don't understand it! y=2x+3 when the domain is -4 less than or equal to x less than or equal to 0

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

Miranda is braiding her hair.then she will attach beads to the braid.she wants 1_3 of the beads to be red.if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?

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.