Answer:
7/10
Step-by-step explanation:
(2/5)%(-4/7)
We will change the second fraction to make multiplication
So it will be 2/5×-7/4
=. -14/20
= -7/10
I'm still doing the rest but number 1 is D
C because 18-6=12
A= πr2
= 22/7×14×14
=616 mm2
