Answer:
71
Step-by-step explanation:
This is an arithmetic sequence with n th term
[tex]a_{n}[/tex] = a₁ + (n - 1)d
where a₁ is the first term and d the common difference
here d = 2 - (- 1) = 5 - 2 = 8 - 5 = 3 and a₁ = - 1, so
[tex]a_{25}[/tex] = - 1 + (24 × 3) = - 1 + 72 = 71
