What is the common difference of the arithmetic sequence graphed below? ተዓn
1+
+
1
-1.
2
3
4
s
6
?
8 9
ከ
-2-
-3
5
6
1 ሃ ፃ ነ ፃ ግ °
•(1 -375)
•(2, 45)
• (3, -525)
•(4 -6)
•(5, -6.75)
• (6, -75)
• (-8.25)
> (8, -9)
8
-9
-10/

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Multiply. write your answer in simplest form. 3/8 x 5/7

Complete the synthetic division problem below. what is the quotient in polynomial form 2/16 -16