Consider the following variable declaration: double y = 52;
Does a cast need to be added so this code will compile and run successfully? If so, what should be typed for this cast?

yes, ( String)
yes, ( decimal)
yes, ( double )
no, nothing
yes, (int)

Hypothesis: volumes of both figures are equal.the volume of  figure 1 is: .the volume of figure 2 is: .since , you can conclude that and . so, .volumes of figures are equal only when an angle in the basis is right (then figures will be the same), in another cases volume of figure 1 is less than volume of figure 2.the hypothesis was not correct in all cases.

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The answer is a : ; ; : : : :

Metaprogramming  is a programming technique in which computer programs have the ability to treat programs as their data. it means that a program can be designed to read, generate, analyse or transform other programs, and even modify itself while running. ps: you don't have any options there.