Find the amplitude, period, and phase shift of f(x)= -4 sin 7(x + 2/7)

What are the related frequencies to the nearest hundredth of the columns of the two way table? group 1: a-102 b-34group 2: a-18 b-14edited: i don’t have all day to be waiting for an answer. i figured it out.

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

Two numbers have a sum of -19. one number is x. what expression represents the other number?