Answer:
5/−1
Step-by-step explanation:
Slope =y2−y1x2−x1
7−2−4−−3
5/−1
Using the combination formula, it is found that Julia can take 15 combinations.
<h3>What is the combination formula?</h3>
is the number of different combinations of x objects from a set of n elements, given by:

For this problem, 4 students are taken from a set of 6, hence the number of combinations is given as follows:

More can be learned about the combination formula at brainly.com/question/25821700
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Answer:adult =180
Child = 120
Step-by-step explanation:
The answer is 23° hope it help!