Write the number as a product of a real number and i. Simplify the radical expression.
A. 2i
B. -2
C. 2
D. -2i
Answer: A
Mathematics
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Determine the symmetries of the curve.r2 = 7 cos 5?
A. x-axis, y-axis, origin B. y-axis only C. Origin only D. x-axis only
Mathematics
Evaluate the integral.
dx
A. 8
5/4 + C
B. - 
-3/4 + C
C. 
5/4 + C
D. 
5/4 + C
Mathematics
Solve the problem using the loan payoff table or an amortization table.
John Thomas bought a new car for $16,445. He paid 10% down and monthly payments for 3 years at 10%. Find the amount of each monthly payment necessary to amortize the loan and the total amount of interest paid over the 3 years.
A. $559.61, $5,345.46 B. $484.57, $2,644.02 C. $530.68, $2,659.48 D. $477.61, $2,393.46
Mathematics
Multiply the rational expressions. Simplify, if necessary.
? 
A. - 
B. - 
C. - 
D. 
Mathematics