which of the following is an unintended consequence of china's one-child policy? farms no longer have enough labourers.

many schools have been closed due to a lack of students. (would it be this one? )
chinese orphanages predominantly have male children available for adoption. women are less likely to pursue higher education degrees.
men are finding a favorable male to female ratio.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

Ican interpret and represent the remainder in division calculations sensibly for the context (eg if we wont to know how many 40 seat buses will be needed to transport 170 students for on excursion, we divide 170 by 40 and realise buses and another smaller vehicle to that we need 4 transport 10 more students) solve the following questions. show your work! 11) the zoo had 420 butterflies that needed to be transported to a new enclosure. the boxes that the butterflies would be moved in only hold 80 butterflies in each. how many boxes would they need? 2 12) each classroom in the school can have exactly 25 students, if there are 345 students in the school how many full classrooms are there?