Caleb and Emily are standing 100 yards apart from each other. Caleb looks up at a 45 degree angle to see a hot air balloon. Emily looks up at a 60 degree angle to see the same hot air balloon. Approximately how far is the hot air balloon off the ground?

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%