Find the product.[x - (1 + 4i)][x - (1 - 4i)]
A. x2 - 15
B. x2 - 2x + 17
C. x2 - 2x - 15
D. x2 - 17
Answer: B
Mathematics
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Solve the problem.Ellen wishes to mix candy worth $1.80 per pound with candy worth $2.40 per pound to form 48 pounds of a mixture worth $2.00 per pound. How many pounds of the more expensive candy should she use?
A. 16 pounds B. 32 pounds C. 28 pounds D. 22 pounds
Mathematics
Graph the pair of parametric equations in the rectangular coordinate system.x = 4 + 6 sin t, y = 4 + 6 cos t; 0 ? t ? 2? 
A. 
B. 
C. 
D. 
Mathematics
Match the function f with its graph.f(x) = log2(x - 3)
A. 
B. 
C. 
D. 
Mathematics
Find the value of the expression without using a calculator.2log4 10
A. 20
B. 
C. 10
D. 100
Mathematics