Solve.A cube has a surface area of 6x2 + 108x + 486. Find the length of a side.
A. x - 9
B. x + 9
C. x + 54
D. 6(x + 9)
Answer: B
Mathematics
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Write the equation for the plane.The plane through the points P(5, 8, -33) , Q(-3, -6, 19) and R(-1, 7, -13).
A. 3x + 2y + z = 2 B. 2x + y + 3z = -2 C. 3x + 2y + z = -2 D. 2x + y + 3z = 2
Mathematics
Solve.If y varies directly with x and inversely as z and y = 12 when x = 6 and z = 4, find y when x = 7 and z = 14.
A. 8 B. 5 C. 2 D. 4
Mathematics
Determine what percent of the figure is shaded.
A. 60% B. 50% C. 37.5% D. 62.5%
Mathematics
Fill in the blank with one of the words or phrases listed below.
The 21 above is called the 
.
A. product B. quotient C. difference D. sum
Mathematics