Can someone help me with these problems please?

Please who knows the full question to this problem am unable to see the full question

Volume varies 1/P.

V=K/P.

21=K/1.

K=21.

The relation is V=21/P.

if P=0.7 and K=21.

and the relation to solve the question is V=21/P then put the value of P in the formula which will be...

V=21/0.7.

V=30m^3.

This is my answer..i hope it helps

x equals 1

step-by-step explanation:

f(4)=f(×)

x=1