Answer:
You have the correct answer it is the third one.
To find the height of a giant ice cream cone outside of an ice cream parlor, Jayda places a mirror on the ground 320 inches from the base of the cone. Then Jayda stepped back 28 inches so that she could see the top of the ice cream cone in the mirror. Jayda’s eyes were approximately 62 inches above the ground. What is the height of the ice cream cone? Round to the nearest whole number. (no decimal)
Answer: 6630
Step-by-step explanation:
Given , Number of documentaries = 17
Number of children's movies = 20
Total movies = 17+20=37
Number of combinations of r things taken out of things = 
Now, the number of different combinations of 3 movies can she rent if she wants at least one documentary
= (1 documentary+2 children's movies , 2 documentary+1 children's movies , 3 documentary+0 children's movies)


Hence, the number of different combinations of 3 movies can she rent if she wants at least one documentary is 6630 .
Answer:
6p
Step-by-step explanation:
Answer:
The Answer is 39
Step-by-step explanation:39•7=273
289-273=16
I was First BTW
:)