Two equations are shown:

equation a
y = −3x − 2

equation b
y equals 3 over x plus 5

which statement best compares the graphs of the two equations?

both are nonlinear.
both are linear.
equation a is nonlinear and equation b is linear.
equation a is linear and equation b is nonlinear.

Students are getting signatures for a petition to increase sports activities at the community center. the number of signatures they get each day is 3 times as many as the day before. the expression 3^6 represents the number of signatures they got on the sixth day. how many signatures did they get on the first day?