Solve the problem.Suppose the consumption of electricity grows at 4.3% per year, compounded continuously. Find the number of years before the use of electricity has tripled. Round the answer to the nearest hundredth.
A. 69.77 yr
B. 25.55 yr
C. 2.55 yr
D. 0.26 yr
Answer: B
Mathematics
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Solve the system by the addition method.x2 - 3y2 - 1 = 04x2 + 3y2 - 19 = 0
A. {(-1, 2), (1, -2)} B. {(2, 1), (-2, -1)} C. {(2, 1), (2, -1), (-2, 1), (-2, -1)} D. {(1, 2), (-1, 2), (1, -2), (-1, -2)}
Mathematics
Provide an appropriate response.Evaluate 
when m = 2, n = -6, and p = -1.
A. 6 B. 5 C. 7 D. 1
Mathematics
Solve.0.6x + 12 + x > 2x + 10 - 0.5x
A. x ? 2 B. x < 2 C. x < -20 D. x > -20
Mathematics
Evaluate the expression for the given value or values.
for x = -280, y = -5
A. - 
B. 56
C. 
D. -56
Mathematics