18. The two triangles below are similar. What is the perimeter of triangle XYZ? Last question on Math for today, I promise, but please help.

Restrictions on f(x) = 1/x+5 and g(x) = x-2

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

42. if 20 men can eat 200 kg of wheat in 40 days, then 10 men can eat 300 kg of wheat in how many days? a) 120 days b) 60 days c) 80 days d) none of these