What is the answer for this 5x =-4y+4; x = 1, 2, 3

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

G. how many different 6-letter arrangements can be formed using the letters in the word absent, if each letter is used only once? a. 6 b. 36 c. 720 d. 46,656

Which figures are polygons? select each correct answer. figure a figure b figure c figure d