Complete answer changed again:
Candice's land (in m2) is equal to the total area of Albert's land and Betty's land (in m2).
1) $c^2=a^2+b^2$ pythagoras' theorem.
On March 14th, the frequency of the radiation waves is exponentially higher.
2) Volume of a cylinder $V=(πr^2)h$
The price of a litre of water and cement squared is equal to ice, brick and two watery cement(s).
3) $(a+b)^2=a^2+b^2+2ab$
A number of power of a smaller number is derived from a power of number.
4) if $y=kx^n$ then $dy/dx=nkx^n-1$
Signs over a reason is always temporary.
5) $tan(theta)=sin(theta)/cos(theta)$