Answer:
A, B, D
Step-by-step explanation:
All of them have the same letter
Answer:
--719
Step-by-step explanation:
its closer to 0
You need to add what the lines are if you want them to be analysed for you^^
Answer:


Step-by-step explanation:
Represent trees with T and wreaths with W
Given


Solving (a): Cost of W
Substitute 3 + 4 * W for T in the second equation


Collect Like Terms


Divide through by 6


Hence, each wreath costs $16
Solving (b): Cost of T

Substitute 16 for W



Hence, each tree costs $67