The spinner above is used in a game. what is the theoretical probability of the given event with one spin?

p(a number between 2 and 7)

Iam so stuck. what is the worked out answer for this question?

Nine more than four times a number is the same as one less than twice the number. find the number?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square