Step-by-step explanation:
7y +7x +5 = > answer
hope this will be helpful to you.
plz mark my answer as brainlist plzzzz
You would do tan<span>Ɵ = 9/12
tan^-1(9/12) = </span><span>Ɵ
</span><span>Ɵ = 36.87 degress
make sure your calculator is in degree mode
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First define the variables:
c = amount of children
a = amount of adults
Next create the equations to satisfy the conditions:
1) Total group is 12 people:

2) Total cost is $100 with adults costing $10 and children being $6:

Answer:
x = 6
y = 8
Explanation and graph is given in picture
I hope it helps.
example: Two polygons are congruent if they are the same size and shape - that is, if their corresponding angles and sides are equal.