Answer:
Step-by-step explanation:
x=3 and x=-4 are parallel, vertical lines
:::::
x-y = 3, slope = 1
2x-2y = 10, slope = 1
Parallel lines
Answer:

Step-by-step explanation:
Donna's Rate is 
Rico's Rate is 

Cross-Multiply



Donna's Rate is 
Rico's Rate is 

C. Plumber A and Plumber B will both charge $135 if they each work 2.5 h.
Answer:
64 sodas
36 hotdogs
Step-by-step explanation:
Well i just guessed and checked but thats the answer