Solve proportion for x 3/2x+5 = 1/9x a. 1/5 b. 1/2 c.5/3 d.16/5

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?

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.