Answer:
See it in the pic.
Step-by-step explanation:
See it in the pic.
Answer:
8 feet below sea level
Step-by-step explanation:
because ur already below sea level
Answer:
h ≈ 13.4
Step-by-step explanation:
Since the triangle is right we can use the sine ratio to find h
sin48° =
= 
Multiply both sides by 18
18 × sin48° = h
⇒ h = 13.4 cm ( to 1 dec. place )
B is the irrational. C & D are rational as they can be written in a ratio, aka a simple fraction. A is rational as it simplifies to +/-2, a whole number.