How much is (+2) + (-12)

Find the solution of each of the following.

Super easy just create a two way frequency table to answer my question im begging someone. a restaurant did a survey among 100 customers to find their food preferences. the customers were asked about their preferences for pasta or rice. out of the total 30 people who liked pasta, 10 liked rice also. there were 40 people who liked rice. ok so all i need is someone to fill these in: like pasta and rice: like pasta, do not like rice: do not like pasta, like rice: do not like pasta or rice:

Graph the system of equations. { x-y=6 4x+y=4use the line tool to graph the lines. where do i put each point?