8. A rectangle is transformed according to the rule R 0,90 degrees. The image of the rectangle has vertices located at R*(-2.4), S'(-1, 1). P'(-1,4). and Q'(-2, 4). What is the location of Q? Explain your answer.​

The triangles are similar. what is the value of x? show your work.

Two lines parallel to the same plane are parallel to eachother

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?