Find the exact value of the trigonometric expression without the use of a calculator.sin 260° cos 20° - cos 260° sin 20°
A. - 
B. - 
C. 
D. - 
Answer: A
Mathematics
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Find the amount of interest earned by the following certificates of deposit. Assume daily compounding. Round to the nearest cent.
Amount: $17,903.76Interest rate: 5%Time: 5 years
A. $3963.70 B. $3963.64 C. $6263.19 D. $5084.73
Mathematics
Change the fraction to a decimal. Round as indicated.1
three decimal places
A. 0.893 B. 1.786 C. 0.357 D. 8.930
Mathematics
Answer the question.Why can't y = 2x have an x-intercept?
What will be an ideal response?
Mathematics
Factor completely. If the polynomial is prime, state so.8a4 - 50b2
A. 2(2a2 + 5b)2 B. 2(2a2 - 5b)2 C. prime D. 2(2a2 + 5b)(2a2 - 5b)
Mathematics