Answer:
2×1/4
Step-by-step explanation:
if you cross cancel 4÷2 is 2 and 2×1 =2 which is 2 wholes Aka 4/2
i think it’s is a for the first one
For number 7 it is 6x*4
For number 8 it is 3(6+4)
Have a great day :)
using Pythagoras theorem
it's option c
My guess is 21
