Find the least common denominator (lcd) for the fractions.
1/6 and 3/10
a.
2
b.
10
c.
30
d.
60

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?

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.