Justin did push-ups for the past 5 days. The following data points are the number of push-ups he did each day.
21,24,24,27,29
Find the standard deviation of the data set.
round your answer to the nearest hundreth.
(Khan Academy)

The standard deviation is approximately 2.76 push-ups.

Step-by-step explanation:

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere

if farmer matt works for 8 hours a day, how many days will it take him to completely plant 12 rows of crops? each batch of cookies needs 3/4 cups of sugar.

step-by-step explanation: