The first one 6 second 8 but it’s funny

Each of the equations can be solved as shown below:
a. 
(<em>addition property of equality</em>)
(<em>Subtraction property of equality</em>)
<em> (Division property of equality)</em>
<em />
b. 
<em>Add like terms </em>
<em />
(<em>Subtraction property of equality</em>)
<em> (Subtraction property of equality)</em>
<em />
<em> (Division property of equality)</em>
<em />
c. 

d. 

<em>The value of x in each </em><em>equation</em><em> are:</em>
<em />
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Answer:
The value for r is 19.1 cm
Step-by-step explanation:
We have been given that s = 16 cm, θ = 48° and we have to find the radius r.
We know the relation

Hence, first of all convert the angle in radian
θ = 48°= 0.837758 radian
Therefore, we have

They take about 5,000 to 10,000 steps each day.
Helps!