Answer:
-8y-67
Step-by-step explanation:
-7(y+9)-(y+4) distribute 
-7y-63-y-4 combine like terms
-8y-67
i believe this is the right answer :D
 
        
             
        
        
        
Answer:
C 
Step-by-step explanation:
I think that would be c not completely sure but I hope it helps 
 
        
                    
             
        
        
        
Answer:
rdh
Step-by-step explanation:
 
        
             
        
        
        
Answer:
<u>Total Cost (in dollars) = a + c</u>
Step-by-step explanation:
<u>Algebra</u>
When mathematics quantities are generalized into letters or variables, then we are dealing with algebra.
We are said the cost of an adult's ticket into a theme park is $a and a child's ticket costs $c. Since both quantities are unknown, we must treat them as variables and use the same logic procedure to solve the problem as if they were numbers.
The total cost for an adult and a child is the sum of both individual costs, thus
Total Cost (in dollars) = a + c 
 
        
             
        
        
        
Answer:
pre-image XYZ is X (2, 2), Y (6, 0), Z (1, -1)
The above is the second option in your question.
Step-by-step explanation:
a triangle has points X' (-2, 2), Y' (0, 6), Z' (1, 1)
To rotate the above triangle -90° about the origin you invert the x & y values and change the sign on the new y value.
pre-image XYZ is X (2, 2), Y (6, 0), Z (1, -1)