Express in simplified form. Assume that all variables represent positive real numbers.- 
A. 6xy
B. -6xy
C. -6xy
D. 2xy
Answer: B
Mathematics
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Find the product.-12ax2(9ax3 - 8x2 + 4a)
A. -108a2x5 + 96ax4 B. -108ax3 + 96x2 - 48a C. -108a2x5 - 8x2 + 4a D. -108a2x5 + 96ax4 - 48a2x2
Mathematics
Use differentials to estimate the amount of metal in a closed cylindrical can that is 12 cm high and 8 cm in diameter if the metal in the top and bottom is 0.09 cm thick and the metal in the sides is 0.01 cm thick. (rounded to the nearest hundredth.)
a. 8.34 cm³ b. 6.99 cm³ c. 6.91 cm³ d. 6.7 cm³ e. 12.06 cm³
Mathematics
Choose the best answer.The inside of your refrigerator might be set to a temperature of about
A. 2.6° C. B. -2.6° C. C. 26° C. D. 39° C.
Mathematics
Solve the formula for the indicated variable.V = 
Bh, for B
A. B = 
B. B = 
C. B = 
D. B = 
Mathematics