Solve the equation.
= 
A. {12}
B. 
C. ?
D. 
Answer: B
Mathematics
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Evaluate the sum.
A. 729 B. 2025 C. 285 D. 900
Mathematics
Find an equation of the tangent line at the indicated point on the graph of the function.y = f(x) = x2 - x, (x, y) = (-3, 12)
A. y = -7x - 6 B. y = -7x - 9 C. y = -7x + 6 D. y = -7x + 9
Mathematics
Find the GCD for the given numbers by an appropriate method.1296 and 1944
A. 3888 B. 216 C. 648 D. 6
Mathematics
Solve the problem.Paul Nagel invested some money at 3.5% simple interest and $7000 more than that amount at 4.5% simple interest. After 1 year, his total interest from the two accounts was $1275. How much did he invest at each rate?
A. $12,000 at 3.5%; $20,000 at 4.5% B. $12,000 at 3.5%; $19,000 at 4.5% C. $13,000 at 3.5%; $19,000 at 4.5% D. $13,000 at 3.5%; $18,000 at 4.5%
Mathematics