Answer:

Step-by-step explanation:

Euro tunnel : - 115 (115 m below sea level of 0)
-115 = S - 50
-115 + 50 = S
- 65 = S....the sea bed is -65 m (or 65 m below sea level
-35/4 should be the answer.
The answer would be B
In the thing above it says she earns 100 each week PLUS 15 each sale she makes there for that being commission
In answering this kind of equation first is you must isolate the variable X first, then get the other function in getting the tangent of x and that would be sinX over cosX and the secX is one over cos of X. In my calculation the answer i got is x=150 or x= 330