Find zw or 
as specified. Leave your answer in polar form.z = 
w = 
Find 
.
A. 
B. 
C. 3
D. 3
Answer: A
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Solve the problem.Construct a possibility tree that shows all possible 3-letter code words using only the letters p, q, and r without repetition.
A. 
B. 
C. 
D. 
Arrange the list of numbers in order from smallest to largest.1.854, 1.548, 1.584, 1.458
A. 1.458, 1.548, 1.584, 1.854 B. 1.854, 1.548, 1.584, 1.458 C. 1.854, 1.584, 1.548, 1.458 D. 1.458, 1.584, 1.548, 1.854
Solve the problem.The number of family practice physicians in a certain country can be approximated by the equation 
where x is the number of years since 2010 and y is the number of physicians in thousands. Write the equation in slope-intercept form and identify the slope and y-intercept. Then, explain the meaning of the slope in this specific equation.
A. y = 
x + 54, m = 
, y-intercept is (0, 54); The slope is the amount of decrease in thousands in the number of family practice physicians in this country per year.
B. y = 
x + 540, m = 
, y-intercept is (0, 540); The slope is the amount of decrease in thousands in the number of family practice physicians in this country per year.
C. y = 
x + 540, m = 
, y-intercept is (0, 540); The slope is the amount of increase in thousands in the number of family practice physicians in this country per year.
D. y = 
x + 54, m = 
, y-intercept is (0, 54); The slope is the amount of increase in thousands in the number of family practice physicians in this country per year.
Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 11
- 4x
A. 15
B. 11
- 4x
C. 7x
D. 7x