Ken worked for 13 days last month. he worked 6.5 hours on each of those days and he earned 14.25 for each our that he worked. how much money to the nearest cent did ken earn last month

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a