The invitations to a holiday party cost a total of $31.50 if each invitation cost $0.75 cents how many invitations were sent out
1 answer:
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Answer:
15
Step-by-step explanation:
Pythagorean theorem states that the hypogenous of a right triangle is . The hypogenous is the longest part of the triangle which is directly across from the 90 degree angle.
a = 9
b = 12
so,