Write a negative integer to show the amount spent on each purchase

(40 points) i need some . an answer definition is appreciated as well.

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

Write the expression as a single natural logarithm. 2 in a - 4 in y