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
Answer:
2.75 lbs
Step-by-step explanation:
because if you double 2.75, it equals 5.5
Answer:
81
Step-by-step explanation:
:)
Angle 4 is going to be 48 degrees
Answer:
1.24
Step-by-step explanation:
i subtracted 1-1