19.6.12

maths:page 185 ex.8.2A no.1(a,b,c) no.2(b) in maths 1
          page 187 ex8.2B no.2(a) in maths 1
          page 189 ex 8.2D no.1(a) no.2(a) in maths 1
          page 193 ex8.3A no.1(a) no.2(a) in maths 1
   
science:peka graph paper thingy