It costs $520 to plant 4 acres of corn. how much would it cost to plant 3/5 acre of corn?

Ineed to know the answer to this algebra question.

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

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?