Simplify.(4x4y)(5x2y3)
A. 20x6y4
B. 20x8y3
C. 9x6y3
D. 20x6y3
Answer: A
Mathematics
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Find the measure of the unknown angle of the triangle.
A. 48° B. 24° C. 66° D. 114°
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Give the meaning of the metric prefix.deka
A. 
B. 10
C. 
D. 100
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Find the exact value of the expression. Do not use a calculator.sin 135° - sin 270°
A. 
B. 
C. 2
D. 
Mathematics
Solve the problem.The table lists the average annual cost (in dollars) of tuition and fees at a certain 2-year college for selected years, where year 1 represents 1992, year 3 represents 1994, and so on. The equation 
can be used to approximate the data. Predict the average annual cost in 2007 to the nearest dollar. 
A. $1473 B. $1554 C. $1500 D. $1527
Mathematics