Which values for A and B will create infinitely many solutions for this system of equations?

Ax-y=8

2x+y=B

A = 2.B - 8

A=-2.B=8

A = 2.B=-8

A--2.8--8

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.