Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.
A. 2x8y8
B. 2xy
C. 2x4y8
D. 2x2y4
Answer: D
Mathematics
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Find the product.-2(6x - 7)
A. 2x B. -12x - 7 C. 6x + 14 D. -12x + 14
Mathematics
Use integration by parts to establish a reduction formula for the integral.
A. 
= 
cosn-1 x sin x - 
B. 
= - cosn-1 x sin x + (n - 1) 
C. 
= 
cosn-1 x sin x + 
D. 
= cosn-1 x sin x - (n - 1) 
Mathematics
The relationship between the Fahrenheit and Celsius temperature scales is given by the linear function.
 FIGURE 1.png)
Mathematics
Factor out the greatest common factor with a negative coefficient.-80x - 20
A. -5(16x + 4) B. -20(4x) C. -4(20x + 5) D. -20(4x + 1)
Mathematics