Multiply.-3x2(-5x5 + 8)
A. 15x7 + 8
B. 15x5 - 24
C. 15x7 - 24x2
D. -9x2
Answer: C
Mathematics
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Solve.3 ? x = 18
A. 54 B. 6 C. 5 D. 18
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Graph the parabola described.Focus at (3, 0); Directrix the line x = -3
A.
B.
C.
D.
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Multiply the expressions.(2r - 5)(2r + 5)
A. 2r2 - 25 B. 4r2 - 20r - 25r2 C. 4 + 20r - 25r2 D. 4r2 - 25
Mathematics
Approximate the value using a calculator. Express answer rounded to three decimal places.2
A. 3.000 B. 3.322 C. 3.464 D. 4.000
Mathematics