Answer:
Step-by-step explanation:
Let x represent the number if people that she can invite.
Yolanda is doing a party for her daughter. She has spent $130 on the venue and Will spend $18 per person for food. This means that the total amount that she would spend if she invites x persons is
130 + 18x
She wants to spend no more than $500. Therefore, inequality to help her determine how many people she can invite would be
130 + 18x ≤ 500
Using the law of indices the equivalent expression of 
is 1728
<h3>How to find equivalent expression?</h3>
The equivalent expression of can be express as follows:
Using the law of indices,
Applying this laws,
Hence,
Finally,
12³ = 1728
learn more on expression here: brainly.com/question/16619965
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Short side length = x
Medium side = x + 7
Long side = 5x
Total 49, so
x + x + 7 + 5x = 49
If you combine like terms:
7x + 7 = 49
Subtract 7 from both sides
7x = 42
Divide both sides by 7
x = 6 inches
