Write as a fraction or mixed number in lowest terms.0.28
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Match the function with its graph.1) y = sin (x)2) y = cos (x)3) y = -sin (x)4) y = -cos (x)A)B)
?
C)D)
?
A. 1C, 2A, 3B, 4D B. 1B, 2D, 3C, 4A C. 1A, 2D, 3C, 4B D. 1A, 2B, 3C, 4D
Mathematics
Simplify.(-4a-5)(2a-3)
A. - 
B. -8a15
C. -8a8
D. - 
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. -15
B. 25
C. -25
D. 15
Mathematics
Solve.Assume that the mathematical model C(x) = 16x + 140 represents the cost C, in hundreds of dollars, for a certain manufacturer to produce x items. How many items x can be manufactured while keeping costs between between $526,000 and $782,000?
A. 510 < x < 680 B. 480 < x < 640 C. 340 < x < 510 D. 320 < x < 480
Mathematics