Multiply.(5x + 3)(4x + 3)
A. 9x2 + 6
B. 20x2 + 27x + 9
C. 20x2 + 3x + 9
D. 20x2 + 9
Answer: B
Mathematics
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Find the circumference of the circle. Use ? ? 3.14 and round to the nearest hundredth.radius = 47 ft
A. 295.16 ft B. 6,936.26 ft C. 73.79 ft D. 147.58 ft
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Divide. Write the answer in lowest terms and as a whole or mixed number where possible.
A. 60
B. 2
C. 12
D. 
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The quadratic function y = -9x - 8x2 + 5 has the form y = ax2 + bx + c. Identify a, b, and c in the order a, b, c.
A. 5, -8, -9 B. -8, -9, 5 C. -9, -8, 5 D. 9, 8, 5 E. none of these
Mathematics
Use the 1's complement method to subtract the following binary numbers.
A. 1000111 B. 110101 C. 1000101 D. 111111 E. 1001111
Mathematics