Answer:
= -4x + 7 is the correct answer
Step-by-step explanation:
Answer:

where x = number of adults
y = number of children
and the extra weights of 4kg of each person.
Answer:
The area equal to a square that is 1 meter on each side. Used for measuring areas of rooms, houses, blocks of land, etc
Step-by-step explanation:
Answer:
9/3=3
Step-by-step explanation:
3 goes into 9 3 times
3,6,9