Find the sum.-5.7 + (-1.7) + 10.2

A. -2.8
B. -17.6
C. 6.2
D. 2.8

Answer: D

Mathematics

Multiply.(x - 2)(-2x + 4)

A. -2x2 - 8x + 8 B. -2x2 + 8x + 8 C. -2x2 + 8x - 8 D. -2x2 + 6x - 8

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Mathematics

Evaluate the integral.

A. - ln + C
B. - ln + C
C. - 5 ln
D. - + C

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Mathematics

Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log2

A. log₂m +  log₂n -  log₂k
B. 5 log₂m + 9 log₂n - 2 log₂k
C. log₂m +  log₂n - 2 log₂k
D. log₂m ?  log₂n ÷ 2 log₂k

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Mathematics

Multiply: 4j(5-2j)

What will be an ideal response?

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Mathematics