The sonar system than detects a sicken ship 1500 meters ahead with an angle of elevation of 19 degrees to the highest part of the sunken ship how many meters must the submarine rise to pass over the sunken ship

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia