Here you go... please note the values are different on your y axis ☺️
 
        
        
        
At the end of Round 3, David's score would be 2000. 
        
             
        
        
        
Step-by-step explanation:
sec x − cos x
Secant is the inverse of cosine:
(1 / cos x) − cos x
Find the common denominator:
(1 / cos x) − (cos² x / cos x)
Subtract:
(1 − cos² x) / cos x
 
        
             
        
        
        
Answer:
791.2 ft
Step-by-step explanation:
The cable is inclined and this acts as the hypotenuse. Since the other two sides are given.

where x and y represent the distance between two cliffs apart and difference in heights. Substituting 740 for x and 280 for y then

 
        
                    
             
        
        
        
Answer:
ok so we have to make it so we can get rid of one of the varibles by adding or subtracting
so lets multiply the first one by 4
120x+16y=4160
minus the second one so
108x=2160
divide by 108
x=20
then we just plug in
12(20)+16y=2000
240+16y=2000
-240
16y=1760
divide by 16
y=110
(20,110)
Hope This Helps!!!