Solve the problem.Suppose that the demand function for x units of a certain item is 
where p is the price per unit, in dollars. Find the marginal revenue.
A. 
= 110 + 
B. 
= 110 + 
C. 
= 
D. 
= 
Answer: A
Mathematics
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The double bar graph below shows the percents of associate degrees awarded to males and females for selected fields of study in the United States in 2003. Degrees awarded to females are graphed above degrees awarded to males.
How many fields of study were more than 60% male?
A. 3 B. 7 C. 6 D. 5 E. 4
Mathematics
Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a degree.3 sin 2x = - 
cos 2x
A. 
B. 
C. 
D. 
Mathematics
Write the decimal as a fraction or mixed number in lowest terms.14.2
A. 14
B. 1
C. 
D. 14
Mathematics
The first card is a five or a jack.
Two cards are dealt without replacement from a well-shuffled deck of cards. Find the probability of each event.
Mathematics