Add or subtract as indicated. Make sure that your answer is reasonable by estimating first.15.8 + 12.445
A. -3.355
B. 3.355
C. 28.245
D. 28.345
Answer: C
Mathematics
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Solve by using the quadratic formula.x2 + 72 = 18x
A. {12, 6} B. {1, 72} C. {-72, -1} D. {-12, -6}
Mathematics
Simplify. Assume that all variables are nonzero.
A. 0 B. 8 C. Undefined D. 1
Mathematics
Add or subtract. Simplify by collecting like radical terms, if possible.2
+ 4
- 2
A. 78
B. -78
C. 10
D. 2
Mathematics
Select the polar equation of the conic for ?e = 0.75 and identify the conic for the following equation.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics