Answer:
10 
Step-by-step explanation:
-3 = 7 - x
Add x to both sides
x -3 = 7 - x +x 
x - 3 = 7
Now, add 3 to both sides
x - 3 + 3 = 7 + 3
x = 10
 
        
                    
             
        
        
        
Answer: 9, 1/20, 9/20
Step-by-step explanation:
1) 9 pieces
2) Size of each pieces:
 
3) Area of the shaded rectangle:

 
        
             
        
        
        
1. Add 4x back into -2, you now have -4y=-4x-2. Add +4 from y and now you are at y=-4x+2 and this is the answer!
2. Add -9x back into -3, you now have -4y=9x-3. Add +4 from y and now you are at y=9x-7 and this is your answer!!
I hope this helped! Brainliest? :) -Raven❤️
        
             
        
        
        
Answer:
 A. csc θ=1/sinθ
Step-by-step explanation:
From SOHCAHTOA,
sine = opposite/ hypotenuse
Cos = adjacent / hypotenuse
Tan = opposite / adjacent
In a right angled triangle, the cosecant of an angle is the length of the hypotenuse divided by the length of the side opposite the angle. This is the inverse of sine , therefore:
Csc Ф = 1/ sinФ
 
        
             
        
        
        
Anything (except 0) to the 0 power is equal to 1.
8^0  = 1
(-8)^0 = 1
24781297429879741^0 = 1