Answer:
the answer is a
Step-by-step explanation:
can u mark me brainilest
Answer:
The answer is 18
Step-by-step explanation:
If you add 15 to 3 then you get 18
Hope this helps!!! :)
Answer:
43,680 ways.
Step-by-step explanation:
We have been given that an experiment involves 16 participants. From these, a group of 4 participants is to be tested under a special condition. We are asked to find the number of groups of 4 participants that can be chosen, assuming that the order in which the participants are chosen is irrelevant.
We will use permutations formula to solve our given problem.

For our given problem
and
.


Therefore, 4 participants can be chosen in 43,680 different ways.
Answer=72°
In this case, since AB and CD are parallel lines, the angle with 72° and angle x are congruent. Therefore angle x is 72°
Answer: Melanie is the correct answer (hopefully)
Step-by-step explanation:
7 is a better decision because its higher than 6 which gets a better chance of winning (sorry for being bad at explaining)