Two different age groups were surveyed about the amount of time they spent on social media.
The results are shown on the two frequency
polygons below. The same time intervals were
used for both graphs.
a) How many 18-year old
students took part in
the survey?
12-year old students
18-year old students
+
80+
70
60
50
940
30
20
801
70
60
50
740
Frequency
L 30
b) How many more 18-year
old students than 12-year
old students spent
between 25 and 35 mins
on social media?
20
10
10
0
0 10 20 30 40 50 60 70 80
Time (mins)
0
0 10 20 30 40 50 60 70 80
Time (mins)

The sum of two numbers is 58. the first number is 8 less than half the second number. let  c  represent the first number. let  drepresent the second number. which statements about solving for the two numbers are true? check all that apply.the equation    represents the sum of the two numbers.the equation    represents the sentence “the first number is 8 less than half the second number.”the equation    represents the relationship between the two numbers.the equation    represents the sum of the two numbers.the number  d  is 14.the number  c  is 44.the number  c  is 14.the number  d  is 44.

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.