B) -15.6,-12.9,-10.2,-7.5,-4.8
This is an arithmetic sequence.
36 and 48
a = b+12
a+b = 84
(b+12) + b =84
2b +12 = 84
2b = 72
b= 36
a = b + 12
a = 36 + 12
a = 48
Answer:
The answer is (C)
Step-by-step explanation:
Answer:
C.
Step-by-step explanation:
The eqn. of a circle with centre (h,k)and radius ris given by,