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:
The answer is 3/4
Step-by-step explanation:
look up scale factor calculator
Answer:
n= 7
Step-by-step explanation:
First subtract by 5, it gives you 0 subtract 2 more. You get -2, there for n=7
101.25+81.25=182.5 is the answer of how much the cost.