Find a quadratic inequality whose solution is given.
?
A. x2 + 20x > 0
B. x2 + 20x ? 0
C. x2 + 20x < 0
D. x2 + 20x ? 0
Answer: A
Mathematics
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Sketch the graph of the equation in the rectangular coordinate system in three dimensions.x2 + y2 + z2 = 4
What will be an ideal response?
Mathematics
Simplify.5
+ 11
A. 16
B. 16
C. 16
D. 6
Mathematics
For the restaurant bill, estimate the tip. Then find the exact amount of the tip. State your answers to the nearest hundredth.The restaurant bill is $97.24. Give the estimate of a 20% tip and the exact amount of a 20% tip.
A.
| Estimate: $10.00 | Exact: $9.72 |
B.
| Estimate: $15.00 | Exact: $14.59 |
C.
| Estimate: $25.00 | Exact: $24.31 |
D.
| Estimate: $20.00 | Exact: $19.45 |
Mathematics
Find the remaining side of a 45° - 45° - 90° triangle if the shorter sides are each 
.
?
A. 
B. 
C. 
D. 
E. 
Mathematics