There are 7 ways to choose the calculus textbook at one end, then 6 ways to choose the calculus textbook at the other end. Then there are 9 ways to choose the second textbook, 8 ways to choose the third textbook, and so on. But then there are 4 ways to choose the number theory textbook, so there are 7*6*9!*4 = 60963840 ways that work.
Answer:
104 ft
Step-by-step explanation:
The ratio of object to shadow is 5:8 and the tree is 65 so 65/5 is 13 and 13*8=104 so that's your answer! Sorry if it doesn't make to much sense.
The answer to your question is 3/125
Answer:
9 white ribbons were awarded
Step-by-step explanation:
make white x
make blue b and make red r
b=x-1
r=x+3
w=x
add them up
x-1+x+3+x=29
x-1 +x+3 is 2x+2
2x+2+x=29
3x+2=29
subtract 2 on both sides
3x=27
divide by 2
x=9
The colors on the image should match the correct blank spots on the proof. Please let me know if you disagree or is confused by my choices.