1. if john ran a 5-kilometer marathon, how long was that in meters?

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?