Answer:

Step-by-step explanation:
A ratio is a comparison of two quantities and can be written in several forms including fractions. It is most commonly written in fraction form or a:b.
To write a ratio, we count the number of each quantity we are comparing or use the variable for that quantity. We write radius:circumference. Recall, the circumference of a circle can be found using
or
.
We write r:
or r:
.
We can also write in fraction form:
or 
The equivalent expression is
.
We have the following expression -

We have to find its equivalent value.
<h3>What is the equivalent expression of the following expression-</h3>

In order to divide two exponents with same base, we use the 'Quotient property of exponents.
The equivalent expression can be written as -
f(x, y) = 
In the question given we have -
Using the property discussed above -
=
= 
Hence, the equivalent expression is
.
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Answer:
22 cm
Step-by-step explanation:
Simply count the number of square units of each side, then add them up. (each square unit = 1 cm)
4+4+2+3+2+7
= 22 cm
X is each friend
3x + 28 > 200
3x > 172
x > $57.33