Question

Can anyone help with these? Please
I have 8 and 9 done but that’s it.

Answer 1

7a) 4/10 simplified 2/5
7b) 6/10 simplified 3/5

11a) The perimeter would be 6in

13a) 5/6 = 50/60
B) 3/5 = 36/60
C) 7/12 = 35/60

Did all the ones I could, hope this helped :)