A normal distribution of data has a mean of 15 and a standard deviation of 4. How many standard deviations from the mean is 252
0 0.16
0.4
0 2.5
O 6.25

Which logarithmic equation is equivalent to the exponential equation below? e^a=55(you will receive 34 points)

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below. the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.