tolong bantu ya ka no 6 dan no 7

6.6+3=9

7.
V36.3 - V16.3
=6v3 -4v3
=2v3

6.) 36^1/2+27^2/3
= (6^2)^1/2 + (3^3)^2/3
= 6^1 + 3^2
=6+9
=15 C

7.) √108-√48
= √36×3 - √16×3
= 6√3 - 4√3
=2√3 B