Can you help me please.

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.

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.