Answer:
<h2>50s</h2>
Step-by-step explanation:
<h2>To find algebraic expression, you need to look at the paragraph</h2>
<h2>Cost of 1 gift card of music : $50</h2><h2>Cost of each song : s dollars</h2>
<h2>We have to multiply 50 by s dollars.</h2>
Answer:
7.7%
Step-by-step explanation:
Given that,
The price of oil decreased from $52 per barrel to $48 per barrel.
We need to find the percentage decrease in the price of oil. It can be calculated as follows :

or
= 7.7%
So, the percentage decrease in the price of oil is 7.7%.
The Pythagorean Theorem states that

, where a and b are the legs of a right triangle and c is the hypotenuse of the same triangle.
Answer: 125
Step-by-step explanation: ∠4 and 55 are supplementary angles. This means that ∠4 and 55 add up to 180. We can use this to solve for ∠4.
180 - 55 = ∠4
125 = ∠4
So, ∠4 is equal to 125 degrees.
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