Can someone plz help me with these and show step by step giving brainliest

What is the perimeter, p, of a rectangle that has a length of x + 8 and a width of y − 1? p = 2x + 2y + 18 p = 2x + 2y + 14 p = x + y − 9 p = x + y + 7

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?

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?