Which of the following is the equation of a line perpendicular to the line
15- +1
passing through the point (2,7)?
O A. 3x-y=-1
O B. -3x-y=1
O C. -3x+y=-1
O D. 3x-y=1

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.