-5 = k - 79 what is the value of k

Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position