Which of these systems of equations has no solution
a. y=x/4+2
b. y=4x-1
c. y=4x y=4x-5
d. x+y=3 2y=-2x+6

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.