Jack is 13 years old. in five years his age will be 3/2 of his brother. Michaels ages. how old will Michael be in three years?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?