Multiply.(-1.8)(-18.0)
A. 32.4
B. 19.8
C. -19.8
D. -16.2
Answer: A
Mathematics
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Find the indicated term of the arithmetic sequence.6, 13, 20, . . . ;12th term
A. 85 B. 90 C. 83 D. 82
Mathematics
Calculate the circulation of the field F around the closed curve C.F = x3y2i + x3y2j; curve C is the counterclockwise path around the rectangle with vertices at 
, and 
A. 0 B. - 9 C. -108 D. 153
Mathematics
Convert to a polar equation.x2 + 4y2 = 4
A. 4 cos2? + sin2? = 4r B. cos2? + 4 sin2? = 4r C. r2(4 cos2? + sin2?) = 4 D. r2(cos2? + 4 sin2?) = 4
Mathematics
Divide. Write with positive exponents.
A. 3x7 - 4x + 5 B. 3x8 - 4x2 + 5x C. 3x8 - 36x2 + 45x D. 27x7 - 36x + 45
Mathematics