Which of the following is NOT a rigid transformation? A. Rotation
B. Revolution
C. Translation
D. Reflection

(40 points) i need some . an answer definition is appreciated as well.

What is a rational number between 9.5 and 9.7

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed