PLS HELLP!! I need it i am solving sample paper and the answers arent given. Step by step answer pls

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7

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

If the tip varies directly with the number of guest which equation represents between the tip, t, and the number of guest, g?