Solve the quadratic equation by completing the square.x(x - 9) = 22
A. 11, 2
B. -11, 1
C. -11, 2
D. -2, 11
Answer: D
Mathematics
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Provide an appropriate response. An electrician makes an investment of $1,400. It returns $33.25 in simple interest at the end of 3 months. What is the yearly interest rate?
A. 7.125% B. 9.5% C. 5.8% D. 2.375%
Mathematics
Provide an appropriate response. Find the distance between the points (-3, 2) and (-5, 6).
A. 4.472 B. 11.314 C. 6 D. 2
Mathematics
Rationalize the denominator.
A. 1
B. 
C. 
D. 
Mathematics
Use the fundamental identities to find the value of the trigonometric function.Find tan ? if cos ? = 
and ? is in quadrant IV.
A. - 
B. - 
C. - 
D. 2
Mathematics