Answer:
Sinθ = 24/25
Step-by-step explanation:
Sinθ = Opposite/Hypotenuse
Solve for the opposite side using the Pythagorean Theorem.

Therefore, Sinθ = 24/25.
Tn=-2n+19
Step-by-step explanation:
Well in south africa we use Tn
Tn=a+(n-1)d
a=is the first term in the sequence which is 17
d=is the the difference between the terms which is - 2
Tn=17+(n-1)(-2)
Tn=17-2n+2
Tn=-2n+19
B is correct.
because this number is around :
2.449489
hope this helps