Complete answer changed again:
Candice's land (in $m^2$) is equal to the total area of Albert's land and Betty's land (in $m^2$).
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) $\tan θ = \sin θ/\cos θ$
