Answer:
0.92 and 1.25 respectively
Step-by-step explanation:
0.92 and 1.25 respectively
first the mean of each value which is 9.7 and 9.8 respectively
standard deviation = square root of the mean deviation of each value
then deduct the mean from each element
and square each value and add them together. not you should square each deviation value before you add them
at last divide the result by the number of frequency and find it's square root
Answer:

Step-by-step explanation:
Parallel lines have the same slope
The slope of the line shown is 
Therefore, the slope of the parallel line will also be 
22:6 is one of them. Do you need more than one?
Answer:
c) -7/2
Step-by-step explanation:
14/-4= -3.5