Perform the indicated operations and simplify.
A. 
B. 
C. a - 2
D. a + 2
Answer: D
Mathematics
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The scores on a 30-point multiple-choice exam are given in the following frequency table:
The interquartile range on the exam is
A. 4. B. 2.5. C. 3.5. D. 3. E. none of these
Mathematics
Find the length of the curve r(t) = -2ti-tj+tk, -2?t?1.
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Mathematics
Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log2
A. 8 log2x + 7 log2y + log25 B. (8 log2x)(7 log2y) - log25 C. 8 log2x - 7 log2y - log25 D. 8 log2x + 7 log2y - log25
Mathematics
The radius of a circle is 6 cm.The side of a square is 6 cm. Compare their areas.Then compare the perimeters of the circle and the square.
What will be an ideal response?
Mathematics