Simplify the radical.
A. -4
B. 4
C. 16
D. not a real number
Answer: D
Mathematics
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Find the volume of the solid. When necessary, use 3.14 as the approximate value of ?, and round as instructed.Find the volume of a cylinder with radius 4 cm and height 6 cm. Round to the nearest tenth.
A. 175.8 cm3 B. 301.4 cm3 C. 251.2 cm3 D. 125.6 cm3
Mathematics
Solve by completing the square to obtain exact solutions.x2 + 8x = 7
A. 4 + 
B. -1 ± 
C. -4 ± 2
D. -4 ± 
Mathematics
Place the correct symbol, < or >, in the blank between the whole numbers.6970 
6704
A. < B. >
Mathematics
Simplify.8x3 + x - 3(9x2 - 4x)
A. 8x3 - 9x2 - 3x B. 8x3 - 27x2 - 11x C. 8x3 - 27x2 + x + 12 D. 8x3 - 27x2 + 13x
Mathematics