<span>a. True
The question is pretty much the entire definition of a radian. For an unit circle, its entire circumference is 2π and the entire circle has 2π radians. A quarter circle, or 90°, or π/2 radians, have 1/4th of the circumference. And 2π/4 is π/2. This natural relationship is WHY higher mathematics uses radians for the measurement of angles rather than arbitrary units such as degrees.</span>
<span>The numerical value that comes before the variable or, if none, the coefficient is 1
hope it helps(:
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15 cards = 9$
1 card = (9/15)$
12 cards = 9/15 * 12
= 108/15
= 7.2$
Answer:
The answer is <u>C.</u> 0.08x + $156.00 = r.
Step-by-step explanation:
Given:
Oprah makes $156.00 per day plus an additional 8% commission on her sales.
She sold x dollars worth.
Now, to find equation how much Oprah made in one day, r.
As. given in question:
She makes per day = $156.00.
Worth of sold = 
Commision on her sales = 8%.
And one day = 
Now, to get the equation Oprah made in one day:






<em>Thus, the equation is</em> 
Therefore, the answer is C. 0.08x + $156.00 = r.
Answer: 60
Step-by-step explanation:
Just got the wrong answer to see what it was