The minute hand on a clock sweeps out 20 minutes. If the hand is 4 cm long, what is the shaded area swept out by the hand as shown in the following figure?
Using special triangles; 
Mathematics
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Combine like terms in the expression. Answer "not possible" if terms cannot be combined.5x - 11xy
A. 32x B. 55xy C. not possible D. 16x2y
Mathematics
Rewrite the expression using the indicated property of real numbers.Commutative property of multiplication:
9(-6)
A. 6(-9) B. 9(-6) C. (-9)(6) D. (-6)(9)
Mathematics
Provide an appropriate response.When asked to describe logarithms in one simple sentence, the teacher said, "Logarithms are exponents". What is meant by this sentence?
What will be an ideal response?
Mathematics
Write the fraction as a decimal. If necessary, round to the nearest thousandth.- 
A. -0.52 B. -0.66 C. -0.4 D. -0.6
Mathematics