Use De Morgan's laws to write a negation of the statement.She is not younger than 20 and he is younger than 20.
A. It is not true that she is younger than 20 or he is not younger than 20.
B. She is younger than 20 or he is not younger than 20.
C. She is younger than 20 or he is not older than 20.
D. She is younger than 20 but he is not younger than 20.
Answer: B
Mathematics
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Evaluate the expression without using a calculator.log121
A. 
B. 1
C. 12
D. 0
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Find the logarithm using the change-of-base formula.log29 32.54
A. 1.5124 B. 0.9669 C. 1.1221 D. 1.0342
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Divide and express the result in standard form.
A. 4 - 2i
B. 
+ 
i
C. 
- 
i
D. 4 + 2i
Mathematics
Complete the table. Object Liters (L) Milliliters (mL) Cubic Centimeters (cc) Cubic Centimeters (cm3)Capacity of water tank 234??
A.
| Object | Liters (L) | Milliliters (mL) | Cubic Centimeters (cc) | Cubic Centimeters (cm3) |
| Capacity of water tank | 234,000 | 234 | 234 | 234 |
B.
| Object | Liters (L) | Milliliters (mL) | Cubic Centimeters (cc) | Cubic Centimeters (cm3) |
| Capacity of water tank | 0.234 | 234 | 234 | 234 |
C.
| Object | Liters (L) | Milliliters (mL) | Cubic Centimeters (cc) | Cubic Centimeters (cm3) |
| Capacity of water tank | 0.234 | 234 | 23,400 | 23,400 |
D.
| Object | Liters (L) | Milliliters (mL) | Cubic Centimeters (cc) | Cubic Centimeters (cm3) |
| Capacity of water tank | 2.34 | 234 | 234 | 234 |
Mathematics