Answer:
x=3
Step-by-step explanation:

Answer:
an = 8n − 65 is the correct answer
Answer:
BC = 10
Step-by-step explanation:
BC = BD - CD
BC = 14 - 4
BC = 10
Decimal places mean we just start counting immediately after the decimal point, so:
2dp: 0.00
1dp: 0.0
Significant figures, we start counting starting at the first non zero number
So we start counting at the 9, therefore:
2sf: 0.00097
3sf: 0.000965