What does the statement |a|=5a=5 mean? a. a is equal to 5 b. a is equal to -5 c. a is 5 units from 0 d. you cannot tell without knowing the value of a

In the pendulum formula t=2pi. read the problem on the picture ! ; $; $; ! ; ! ; ! ; )$; ! ; ! ; ! ; $; $; $! ; ! ; ); $; $$

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?

The reflexive property of congruence lets you say that ∠pqr ≅