Decide whether the polynomial is written in descending powers, ascending powers or neither.5 - x + 7x3
A. Ascending
B. Descending
C. Neither
Answer: A
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Decide where the first digit in the quotient would be located. Then without finishing the division, determine which of the three choices is the correct answer.
A. 9 B. 930 C. 93
Give a geometric description of the set of points whose coordinates satisfy the given conditions. x2 + y2 + z2 > 64
A. All points outside the cylinder with radius 8 B. All points outside the sphere of radius 8 C. All points on the surface of the cylinder with radius 8 D. All points in space
A man invests a total of $21,000 in two accounts, one paying 5.5% simple interest per year and the other paying 8.5% simple interest per year. His annual interest from both accounts is $1,280 . How much did he invest at each rate?
What will be an ideal response?
Find the unknown length x for the given similar triangles. 
A. x = 18 B. x = 180 C. x = 0.8 D. x = 8