Solve the equation by first clearing it of fractions or decimals.0.8x - 0.4(20 + x) = 0.2(20)
A. x = 20
B. x = 40
C. x = 15
D. x = 30
Answer: D
Mathematics
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Use a graphing calculator to solve the equation to the nearest tenth.4x3 + x2 - 12x - 3 = 0
A. 4, 3, -3
B. 
, 1.7, -1.7
C. - 
, 1.7, -1.7
D. -4, 1.8, -1.8
Mathematics
Find the nth term of the geometric sequence with the given values.a = 1215, r = - 
, n = 9
A. - 
B. 
C. - 
D. 
Mathematics
Express as a difference of logarithms.loga 
A. loga D - loga P B. loga D ÷ loga P C. loga P - loga D D. loga (D - P)
Mathematics
Perform the indicated operation. Simplify your answers. 
- 
A. 
B. 
C. 
D. 
Mathematics