Answer:
The answer is C
Step-by-step explanation:
Khan Academy
420÷70%
=£600
the original price of the ring is £600
Step-by-step explanation:
since all angles add up to 180:
(8x-1)+(3x+4)+(3x+9)=180
add like terms:
14x+12=180
x=12
Hope that helps :)
Answer:
45th term is 85
Step-by-step explanation:
We use the definition of the nth term of an arithmetic sequence:

which for our case gives:
