If you want the intersect of M and N, then:
M∩N = {4,7} (common part in M AND N)
Answer:

where x = number of adults
y = number of children
and the extra weights of 4kg of each person.
Answer:
56 screws
Step-by-step explanation:
So, first we can find how many screws he needs.
So, if he uses 2 steps for 8 screws, and has 14 steps, that means he puts screws in 7 steps ( 14÷2)
then, if he uses 8 screws, each with 8 steps, we can do 8 times 7, which is 56 screws
The shorter piece is 37 cm
The longer piece is 48 cm:
Step-by-step explanation:
Divide 85 cm by 2 = 42.5
Divide 11 cm by 2 = 5.5
Add them together = 48 cm
85 cm - 48 cm = 37 cm
Answer:
Do you have a image of the fountains, send it to me.and I'll help