A garden has width of [tex]\sqrt13[/tex] and length 7[tex]\sqrt13[/tex] . What is the perimeter of the garden in simplest radical form?
a. 14[tex]\sqrt13[/tex]
b. 16[tex]\sqrt13\\[/tex]
c. 91
d. 8[tex]\sqrt13[/tex]
If you could show work that would be wonderful, but just the answer is greatly apricated as well.