F(x)= x+ 5 , vertical shrink by a factor of 5

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30

Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0). what are the directrices?