Answer:84
Step-by-step explanation:because 7x12=84
Answer:
b because it just is
Step-by-step explanation:
Answer:
if we estimate this number its going to be 700,000
Answer:
Final answer is c. 15
Step-by-step explanation:
We need to find about what is the first term in the sequence for which d = -2 and a7 = 3
We will use nth term formula of arithmetic sequence.

we have been given a7 that means 7th term is 3
so plug n=7, d=-2 and a_n=3 into above formula




Hence final answer is c. 15