Question 1: h+4= how many kids in history class.
I think this cause it says to represent the # of kids in the English class with the varible h. there are 4 more kids in the history class for you just add four to the English class( h). this may be wrong tho
question 2: 57+4= 61.
you just input the 57 where the h (# of kids in English class) cause it need to figure out how many are in history and their are just four more kids. I think
also sorry if I suck at explaining things, this makes sorta sense

notice |7| 7 is positive, so we can simply remove the bars and use 7 by itself
Answer:200 minutes
Step-by-step explanation:
1 minute = 60 seconds.
6/3 = 2 (20 seconds) 1 photo every 20 seconds.
600x20 = 12000. seconds.
12000/60 = 200 (200 minutes)
Answer:
Jada has 5 marbles left after filling 32 bags.
Step-by-step explanation:
Jada has 126 blue marbles and 135 yellow marbles
Total Marbles=126+135=261
She divides by 8: 261/8=
i.e. 32 Remainder 5 marbles.
The correct interpretation is Jada has 5 marbles left after filling 32 bags.