Evaluate the improper integral.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Factor out the greatest common factor.48x7 + 6x4 - 42x2
A. x2(48x5 + 6x2 - 42) B. 6(8x7 + x4 - 7x2) C. -x2(-48x5 + 6x2 + 42) D. 6x2(8x5 + x2 - 7)
Mathematics
Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.x2 - 4x - 7 = 0
A. Two different imaginary-number solutions B. Two different real-number solutions C. One real solution
Mathematics
Write the ratio as a fraction in simplest form.26 : 30
A. 
B. 
C. 
D. 
Mathematics
Find the expression.u = 7i + 3j, v = 11i + 15j
Find 
.
A. 5
B. 4
C. 
D. 4
Mathematics