Afilm crew is filming an action movie, where a helicopter needs to pick up a stunt actor
located on the side of a canyon. the stunt actor is 30 feet below the ledge of the canyon.
the helicopter is 25 feet above the ledge of the canyon.
feet
which of the following expressions represents
the length of rope that needs to be lowered
from the helicopter to reach the stunt actor?
-30 - 25
1-30 + 25
1-30/ - 25
-30 + 25
.

Which expression is equivalent to sq-80

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.