Help with steps 3-5 please Literally any info will help

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Using elimination, what is -4x+2y=-12 4x+8y=-24

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h