jawab no 15 samapai 17 .plisss

no15
19. 2 + (19 - 14).2=361 + 5.2=361 + 25=386=c

no 16
[tex] \sqrt{900} + \sqrt{324 } = \\ 30 - 18 =12 [/tex]
=A

no.17
[tex]24 {}^{2} + \sqrt{324} = \\ 576 + 18 = 594[/tex]
=D