The coordinate plane shows the floor plan for a swimming pool. what is the area of the pool's border?
18
1

t1
-
--
-
pool
o
distance (meters)
1
07-
pool border
a
6
8 10 12
distance (meters)
14
16
18
20

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?

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y

How do you write 600 as a product of its prime factors (index! )