A square patio has an area of 212 square feet. How long is each side of the patio to the nearest 0.05? Each side of the patio is
feet long

14.56 round to the nearest
0.05, which is 14.6

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

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?