Which TWO expressions are equivalent to 1 ( 2 – 4) – 2 (1 x - 3)
A
18 – 2 – +6
3x – 4 - 2x +3
B
С
D
1 2 – 4 – - 3
3x – 2 – (1 x - 6)
3x – 2 – 3 x +6)
E

Describe all the numbers that when rounded to the nearest thousand are 645,000

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?

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true