Answer:
>
4^3 is greater than 6^2
I think 18, 30, 54 is correct
9. b< -6
10. n>7
11. x< -1
12. d> 4
13. m> 4
14. x< 3
15. d< 20
16. m> 6
Answer:
68°
Step-by-step explanation:
As BA⊥BD, so ∠ABD = 90°
also, ∠ABD = ∠CBD + ∠ABC
⇒ 90° = 4x + 52° + 8x - 10°
⇒ 12x = 48°
⇒ x = 4°
now,
∠CBD = 4x + 52°
= 4(4°) + 52°
= 68°
