1. a. secular textbooks
2. d. flag salute cases
hope it helps
Explanation:
20 men can do 1 W in 36 days
=> 20 men can do 1/36 W in 1 day
=> 10 men can do 1/72 W in 1 day.
30 girls can do 1W in 36 days
=> 30 girls can do 1/36 W in 1 day
=> 12 girls can do 1/90 W in 1 day.
Together 10 men and 12 girls can do 1/72 + 1/90 W in 1 day
= 9/360 = 1/40 W in 1 day.
Therefore they need 40 days to do the piece of work.
The parents or caregiver should do to eliminate any obvious cause of hyperactivity in a boy in the kindergarten who can't concentrate to his school work is to use his hyperactivity in academic related activities in which they should help him engage more of his hyperactivity in activities that are academic related in means of eliminating hyperactivity in a way that does not contribute to his school work.