What is the difference between a trapezoid and a parallelogram

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?

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

Math question.. plz me .. best answer all