Antony buys one pound of oranges for $12 and sells it for $14. How can he write the profit in his account book? A.
+$2
B.
+$14
C.
$14
D.
-$2
E.
-$12

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

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?

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)