Answer:

Step-by-step explanation:
1. 
2. 
3. b = 
Can't be simplified.
Parallel means lines that never meet, and perpendicular are lines that meet at right angles.
Answer:
one number= x = 44
the other number= (x-4)= 40
Step-by-step explanation:
one number= x
the other number= (x-4)
x + (x-4) = 84
2x= 84+4
2x= 88
x= 88/2= 44
one number= x = 44
the other number= (x-4)= 40
Answer:
store B, C, and D
Step-by-step explanation:
Answer:
Do you have a picture of the problem so I can see it