Answer:
a₁₅₇ = 1,088
Step-by-step explanation:
aₙ = a₁ + d(n-1); where 'd' if common difference
a₁₅₇ = -4 + 7(156)
= -4 + 1092
= 1,088

hope this helps! ask if you have anymore questions
Answer:
8 < X < 12
Step-by-step explanation:
12 is the measure of the longest side & 8 is the measure of the smallest side. So just arrange it in ascending order.