Every week, nina used 5 l of water from her rain barrel to water her plants. she did this until her rain barrel was empty. when nina first started watering, her rain barrel contained 75 l of water.

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.