Answer:
d) attach a bag of weights to the tripod
Explanation:
Nand stands for "not and". The truth table for a nand is:
a b | a nand b
0 0 | 1
0 1 | 1
1 0 | 1
1 1 | 0
Hopefully this helps you answer your question.

int y = (int) y;
int x = y;
<h2><u>Hope</u><u> </u><u>it</u><u> </u><u>helps</u><u>.</u><u>.</u><u>♪</u></h2>
Answer: Sorry to break this to you but you can't.
Explanation: