Simplify by factoring out the given factor.4k-4 + k-8; k-8
A. k-8(4k5 + 1)
B. k-8(4k-4 + 1)
C. 4 k-8(k4 + 1)
D. k-8(4k4 + 1)
Answer: D
Mathematics
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Calculate the flux of the field F across the closed plane curve C.F = x2i + y2j; the curve C is the closed counterclockwise path around the triangle with vertices at 
and 
A. 180
B. 0
C. 
D. 60
Mathematics
Factor by grouping.20x10 + 16x5y5 + 15x5y5 + 12y10
A. (4x5 + 3y)(5x5 + 4y10) B. (4x5 - 3y5)(5x5 - 4y5) C. (4x5 + 3y5)(5x5 + 4y5) D. (20x5 + 3y5)(x5 + 4y5)
Mathematics
Round the decimal to the given place value.7.163, nearest hundredth
A. 7.163 B. 7.16 C. 7.17 D. 7.15
Mathematics
Evaluate the expression.310 - 32 ? 24 ÷ (4 ? 3 - 2 ? 2)
A. 903 B. 288 C. 598 D. 283
Mathematics