You decide to put the pictures of six friends in a row on a bulletin board. In how many ways can you arrange the pictures?(Please tell me how you figure it out)

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4