Answer:
24*3x
Step-by-step explanation:
x = the water park's admission
5x + y - 2 + 3 - 1. Lmk if this helps otherwise I will go further into it.
The slope of the given line is -4/3. the slope of any perpendicular line is the negative reciprocals, or 3/4
Answer:
495 combinations of 4 students can be selected.
Step-by-step explanation:
The order of the students in the sample is not important. So we use the combinations formula to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.

How many combination of random samples of 4 students can be selected?
4 from a set of 12. So

495 combinations of 4 students can be selected.
Answer:
answer : x = 3±√ 119 / 16
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