Answer:
Its D
Step-by-step explanation:
Answer: altitude at starting point is -11ft or 11ft below sea level
Step-by-step explanation:
Equation for this situation will be
A = Ag - 11
A = actual altitude
Ag = altitude gained.
At starting point, altitude gained is zero, therefore;
A = 0 - 11
A = -11ft
Step-by-step explanation:
Let the measure of required angle be x degree

Thus, first option is the correct answer.
Number 3 is A and number 4 is G, do you want to know how I got my answer...
The answer to the equation is 17