Solve.20 is what percent of 10?
A. 20%
B. 2%
C. 50%
D. 200%
Answer: D
Mathematics
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Solve the quadratic equation by completing the square.z2 + 12z + 13 = 0
A. -6 ± 
B. 6 ± 
C. 6 + 
D. -12 + 
Mathematics
Find the square root. If it is not a real number, say so.- 
A. 
B. 
C. Not a real number
D. - 
Mathematics
Solve the problem.You are traveling and notice you have driven 
. The odometer reading at this point is 42,372. Write an equation to describe the change in the odometer reading.
A. x + 173 = 42,372 B. x - 173 = 42,372 C. x + 42,372 = 173 D. x = 173 + 42,372
Mathematics
Evaluate.
for a = -3 and b = -2
A. - 
B. 
C. - 
D. 
Mathematics