Find zw or 
as specified. Leave your answer in polar form.z = 6
w = 12
Find 
.
A. 
B. 
C. 
D. 
Answer: D
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Provide an appropriate response.A student insists on finding a common denominator by always multiplying the denominators of the expressions being added or subtracted. How could the student's approach be improved? Explain.
What will be an ideal response?
Write the English phrase as an algebraic expression. Let the variable x represent the number.two more than a number
A. x + 20 B. x + 2 C. x - 2 D. 2x
Solve the problem. Assume that simple interest is being calculated in each case. Round your answer to the nearest cent if necessary.Annie's cafe borrows $4000 at 9% for 250 days. Find the total amount that must be repaid after 250 days.
A. $6465.75 B. $4360.00 C. $4024.66 D. $4246.58
Convert to an exponential equation.log10 
= -2
A. 10-2 = 
B. 
2 = 10
C. 210 = 
D. 10100 = 2