Evaluate the expression for the given replacement values.(x + 2y)2
x = 3, y = 4
A. 11
B. 121
C. 22
D. 25
Answer: B
Mathematics
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Solve the equation by using the quadratic formula.x2 + 16x + 47 = 0
A. {8 - 
, 8 + 
}
B. {8 + 
}
C. {-16 + 
}
D. {-8 - 
, -8 + 
}
Mathematics
Express as a single logarithm and, if possible, simplify.5logb t - logb s
A. logb 
B. logb t5 ÷ logb s
C. logb 
D. logb (t5 - s)
Mathematics
Balls numbered from 1 to 53 are placed in a container and stirred. If one is drawn at random, find the probability that the number is less than 7 or greater than 50. ?
A. 
B. ?
C. ?
D. ?
E. none of the above
Mathematics
Add or subtract as indicated. Write the answer in simplest form.
- 
+ 
- 
A. 
B. 
C. 
D. 
Mathematics