Answer:
1-m< +m<2 =180°
2-congruent
3-supplementary
4-m<1 + m<3 = 180°
5-m<2 + m<3 = 180°
75% of students are year 7
Step-by-step explanation:
divide 126 by 168 which equals 75% of year 7 pupils
the equation is y= 1/3x+5