If the length of the rectangle is twice the width and the perimeter of the rectangle is 30 cm what is the length and width of the rectangle

Afield is shaped like the figure shown

Write the ratio as a fraction in lowest terms 1 1/2 to 3 1/3

Caleb and emily are standing 100 yards from each other. caleb looks up at a 45° angle to see a hot air balloon. emily looks up at a 60° angle to see the same hot air balloon. approximately how far is the hot air balloon off the ground? a)44.2 yd. b)63.4 yd. c)73.2 yd. d)89.7 yd.