I need help with this question from khan academy

Give me the equations of two lines that have the same slope but are not parallel.

In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?

How many zeroes do we write when we write all the integers 1 to 243 in base 3?