PLEASE HELP The way in which the areas of the world are grouped together for study is 1 distance decay
2 time-space compression
3 map scale
4 regions
5 scale of analysis

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y