Nina wants to download games for her video game console. older games cost 500 points and new releases cost 2,000 points. nina has 20,000 points to use. the equation 500a+2000b=20,000, where a is the number of older games and b is the number of new releases, models the situation. how many older games can she download if she downloads one new game? for new games?

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?

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Asap! i'm not good math and i'm lost.