The arithmetic formula is expressed as an = a1 + d *(n-1)where n is an integer. Substituting from the given a1 = -12 and a27 = 66, 66 = -12 + d *(27-1). hence , d is equal to 3. a42 thus using the formula is equal to 111. The final answer to this problem is 111.
Answer:
1) x=-1.5 , x=8 that is the answer
Answer:
the median is 43
Step-by-step explanation:
Answer:
263 degrees......... ........
Step-by-step explanation:
263 is the answer.