Provide an appropriate response.Write 39,000,000 in scientific notation.
A. 3.9 × 10-7
B. 3.9 × 108
C. 3.9 × 10-8
D. 3.9 × 107
Answer: D
Mathematics
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Provide an appropriate response.Solve the system of equations using the substitution method: 3a - b = 3 a + b = 5
A. a = 3, b = 2 B. a = 4, b = 9 C. a = 4, b = 1 D. a = 2, b = 3
Mathematics
Write the equation of a sine function that has the given characteristics.Amplitude: 2Period: ?Phase Shift: 
A. y = 2 sin (2x - 3)
B. y = sin (2x + 3)
C. y = 2 sin 
D. y = 2 sin 
Mathematics
Graph the function.f(x) = 3e- x
A. 
B. 
C. 
D. 
Mathematics
Evaluate the logarithm.log8 64
A. 64 B. 2 C. 16 D. 8
Mathematics