An airplane is sighted at the same time by two ground observers who are 3 miles apart and both
directly west of the airplane. They report the angles
of elevation as 11º and 23°. How high is the
airplane?
2.2 mi
1.17 mi
1.08 mi
0.57 m
Please help, work shown please

Name the most appropriate metric unit for each measurement like the mass of cow

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.

Which graph represents the given linear function 4x+2y=3