Answer:
HL is the correct answer of this question
I think the mode is 9.875
Answer:
Un = -n²
Step-by-step explanation:
Un = -n²
it's a quadratic term but with minus sign, just it
U1 = -1² = -1
U2 = -2² = -4 and so on
Answer:

Step-by-step explanation:






I think it’s D I hope this helps!!!