Simplify.7x(3x2 + 2x - 5) + 2(3x2 + 2x - 5)
A. 21x3 + 13x2 - 9x - 10
B. 21x3 + 13x2 + 9x - 5
C. 21x3 + 20x2 + 31x - 10
D. 21x3 + 20x2 - 31x - 10
Answer: D
Mathematics
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A. cos x B. sin2 x C. cos2 x D. sin x
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Multiply.3(-1)(10)(-2)
A. 23 B. -5 C. 60 D. -60
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Factor completely.54x2 + 288x + 384
A. 6(3x + 8)2 B. 6(9x2 + 48x + 64) C. 6(3x - 8)(3x + 8) D. (18x + 48)(3x + 8)
Mathematics
Solve. Write the fraction in simplest form.There are 100 centimeters in 1 meter. What fraction of a meter is 76 centimeters?
A. 
B. 
C. 
D. 
Mathematics