5. The rates at Joe's Internet Café for last year are shown in the table below. This year, his
rates will be 14 times last year's rates to help
pay his increased rent costs. How much more
will a customer pay to use the Internet for
6 hours?
1
2
3
Time (h), x
4
7
21
Cost ($), y
14
28

How do i do this activity, is appreciated

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.

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /