The answers is 11x+2 I’m pretty sure. I can’t tell if your x3 was an exponent or multiplying.
Answer:
S
ThenSn=n(a1+an)2Sn=n(a1 + an)2 , where nn is the number of terms, a1a1 is the first term and anan is the last term. The sum of the first nn terms of an arithmetic sequence is called an arithmetic series .
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
the median of july is 8
the median of august is 10
median=middle number
Answer:
2.4
Step-by-step explanation:
12/5 = 2 2/5 = 2.4
C because 180-230 would be negative b as well as three quarters of seven
