I am pretty sure the approximate volume is 22 units.
Answer:

Step-by-step explanation:
we know that
Using proportion

Answer:
B. $4.75
Step-by-step explanation:
3(4) + 7 = 19
19/4=4.75
A cause and effect relationship between two variables, A and B, is written A then B, or in formal logic: A => B (A implies B).
Answer:
ok so if m is maker and b is poster then
6m+b since she buys 6 markers and 1 poster or
b+6m if she bought it in a different order
Hope This Helps!!!