Apply the quotient rule for exponents, if applicable, and write the result using only positive exponents. Assume all variables represent nonzero numbers.
A. -x10
B. 
C. x10
D. 
Answer: C
Mathematics
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Find the foci of the ellipse.25x2 + 64y2 = 1600
A. (0, ±
)
B. (±8, 0)
C. (±
, 0)
D. (±5, 0)
Mathematics
Translate to an equation. Do not solve.What number is 20.1% of 89?
A. 20.1 = c ? 89 B. c ? 20.1% = 89 C. c = 20.1% ? 89 D. c = 89% ? 20.1
Mathematics
Fill in the blank with one of the words or phrases listed below.
The 
of a polygon is its distance around or the sum of the lengths of its sides.
A. product B. area C. exponent D. perimeter
Mathematics
Which method should be used to solve the system? Explain your answer, including a description of the first step.-9x2 - 7y2 =4-3x - 3y =-2
What will be an ideal response?
Mathematics