Answer:
x=16
Step-by-step explanation:
(whole secant) x (external part) = (tangent)^2
(8+24) * 8 = x^2
32*8 = x^2
256  =x^2
Take the square root of each side
sqrt(256) = sqrt(x^2)
16 = x
 
        
             
        
        
        
Chloe is earning 7.50 an hour, Marissa is earning $6 an hour so the answer is Chloe is earning 50 cents more per hour.
        
             
        
        
        
Answer:
Speed of boat in still water is 26km/hr
Step-by-step explanation:
Let the speed of boat in still water be x and speed of stream by y. 
Speed at which it went upstream would be (x-y) and the speed at which it went downstream would be (x+y). According to question x+y=24 and x-y=28. x=26 and y=-2.
 
        
             
        
        
        
Answer:
7 adults, 12 students
Step-by-step explanation:
10 20 30 40 50
60 70
74 78 82 86 90 
94 98 102 106 110 114 118
 
        
             
        
        
        
Answer:
Step-by-step explanation: