Find the slope of (12, 11) and (-9, 11)

Will mark brainliest question in the pic.

Giving 100 points asap bev has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. calculate the area of the polygon. be sure to show all your work and explain your answer.

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane