Evaluate the following:
1. 
2. 
3. 
1. 75
2. 
3. 2a?a / 3
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Solve the problem.If 11 newborn babies are randomly selected, how many different gender sequences are possible?
A. 121 B. 22 C. 39,916,800 D. 2048
Round the number to the nearest ten, nearest hundred, and nearest thousand.4490
A.
| Ten | 4500 |
| Hundred | 4500 |
| Thousand | 4000 |
B.
| Ten | 4490 |
| Hundred | 4500 |
| Thousand | 4000 |
C.
| Ten | 4490 |
| Hundred | 4400 |
| Thousand | 4000 |
D.
| Ten | 4500 |
| Hundred | 4400 |
| Thousand | 5000 |
Solve.The pressure of a gas varies jointly as the amount of the gas (measured in moles) and the temperature and inversely as the volume of the gas. If the pressure is src="https://sciemce.com/media/4/ppg__10615192234__f1q64g5.jpg" alt="" style="vertical-align: -4.0px;" />.
A. 884
B. 1716
C. 910
D. 1768
(kiloPascals) when the number of moles is 4, the temperature is 
, and the volume is 
, find the pressure when the number of moles is 6, the temperature is 
, and the volume is
Solve.
+ 
= 
A. - 
B. 3
C. - 3
D. 