What is the standard deviation of the data set?

21 6 18 21 20 14 19

A = 29.3

B=5.0

C=25.1

D=5.4

A man is in a boat that is floating 175 feet from the base of a 200 - foot cliff what is the angle of depression between the cliff and the boat?

Two triangular pyramids are similar. The volume of the larger pyramid is 729 cm3, and the volume of the smaller pyramid is 64 cm3. If the perimeter of the base of the smaller pyramid is 8 cm, what is the perimeter of the base of the larger pyramid?

35.75 rounded to the second

What is the probability of landing on heads 4/5 times

What is 5 gallons and 4 guarts

A teacher is interested in performing a hypothesis test to compare the mean math score of the girls and the mean math score of the boys. She randomly selects 10 girls from the class and then randomly selects 10 boys.

Otto spent 3/4 of the money he had saved on a new video game. If the video game cost $48, how much money did he have before he bought the game?

25 75 105 35 Geometry and Joey walked 333 feet. How many yards did Joey walk? F 999 yards G 363 yards '111 yards

Find the radius and center of the circle given by the equation below. (x-6) 2 + (y + 4) 2 = 7 Ore 17 and center at (-4.6) or = 7 and center at (6-4) or=7 and center at (-6.4) or = 7 and ( 6-4)

18.666667 rounded to nearest hundredth