Factor completely, or state that the polynomial is prime.8x2 - 50
A. 2(2x + 5)(2x - 5)
B. prime
C. 2(2x + 5)2
D. 2(2x - 5)2
Answer: A
Mathematics
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Compute r, the linear coefficient of correlation, for the given data.Two different tests are designed to measure employee productivity and dexterity. Several employees are randomly selected and tested with these results.
A. 0.115 B. 0.471 C. 0.986 D. -0.280
Mathematics
Evaluate the integral.
A. 2
+ C
B. 2
+ C
C. 
+ C
D. 
+ C
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. -14 B. -5 C. 0 D. 1
Mathematics
Solve the problem.The position of a weight attached to a spring is s(t) = -2 cos (6? t) inches after t seconds. What is the maximum height that the weight rises above the equilibrium position?
A. 
in.
B. 
in.
C. 6 in.
D. 2 in.
Mathematics