on a standardized exam, the scores are normally distributed with a mean of 21 and a standard deviation of 4. Find the z-score of a person who scored 13 on the exam

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?

Vanessa earns a base salary of $400.00 every week with an additional5% commission on everything she sells. vanessa sold $1650.00 worth of items last week.

How many ordered pairs of positive integers satisfy xy=32?