If f(x) = 3x + 10x and g(x) = 4x – 2, find (f – g)(x). a. 17x – 2 b. 3x + 14x – 2 c. 3x + 6x + 2 d. 3x – 6x + 2

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?

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Which statements are true about additional information for proving that the triangles are congruent check all that apply