Simplify.15 ÷ 0.1 - 14 × 0.042
A. 29.5936
B. 0.2176
C. 149.6864
D. 149.9776
Answer: D
Mathematics
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Solve the system. If the system has infinitely many solutions, write the solution set with x arbitrary. x + y - 2z - 8 = 03x + z + 6 = 02x - y + 3z + 14 = 0
A. {(x, 7x + 4, -3x - 6)} B. {(x, 7x - 4, -3x - 6)} C. {(x, -7x + 4, -3x - 6)} D. {(x, -7x - 4, -3x - 6)}
Mathematics
Calculate. Write answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Mathematics
Provide the requested information about the circular function.What is the range of y = cos x?
A. [-1, 1] B. (-?, -1] ? [1, ?) C. (-?, ?) D. (-1, 1)
Mathematics
Write the vertex form of the equation of the parabola shown in the given graph. Assume a = ±1.
A. y = (x - 3)2 B. y = (x - 0)2 + 3 C. y = (x - 0)2 - 3 D. y = -(x - 0)2 - 3
Mathematics