Express the number in scientific notation.0.000315
A. 3.15 × 10-3
B. 3.15 × 104
C. 3.15 × 10-4
D. 3.15 × 10-5
Answer: C
Mathematics
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Graph the function.y = 
tan 
A. 
B. 
C. 
D. 
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Change 1,395 to base twelve. ?
A. 983 twelve B. 910 twelve C. 988 twelve D. 993 twelve E. 1,395 twelve
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Find the real solutions, if any, of the equation. Use the quadratic formula.2x2 + 3x - 9 = 0
A. {- 
, 3}
B. {
, 3}
C. {
, -3}
D. {- 
, -3}
Mathematics
Solve.Find the perimeter of the trapezoid. 
A. 
in.
B. x + 4 in.
C. 
in.
D. 
in.
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