help i dont understand this can someone help asap! please and thank you will give brainliest if i get the aswer right.​

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Find the perimeter of the figure shown above. a. 40 cm c. 52 cm b. 60 cm d. 75 cm select the best answer from the choices provided