Arectangular prism has a volume of 729 ft cube the length the width and the height are all the same what is the length of each side of the prism

i believe the correct answer is b.

48+y= ?

the y is the variable and the ? could also be a variable  

b) yes

step-by-step explanation:

let the statements be named as,

statement 1: if the power has been cut, then the refrigerator does not work.

statement 2: the refrigerator does not work.

conclusion: the power has been cut

now, 'law of detachment states that if we have the statements given as,

1. if p, then q.

2. p

then, we get the true statement or conclusion as q'.

thus, on comparing, we get that,

p: if the power has been cut.

q: the refrigerator does not work.

so, the argument is true by the law of detachment.