Answer:
= 10 
Step-by-step explanation:
The n th term of a geometric sequence is
= a 
where a is the first term and r the common ratio
Here a = 10 and r = 30 ÷ 10 = 3, thus
= 10 
Month*
divide 840 with 12
as 1 year has 12 months
and you get 70$
so the family spends $70 every month
Answer:
You have to do 120 divided by 0.75 use a calculator
Step-by-step explanation: