Do the operation and express the answer in 
form.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Convert the units using unit fractions.0.5 lb = 
oz
A. 10 B. 6 C. 12 D. 8
Mathematics
Find the first four terms of the sequence.an = an-1 + an-2; a1 = 6, a2 = 7
A. 6, 7, 13, 14 B. 6, 7, 13, 20 C. 6, 7, 42, 294 D. 6, 7, 12, 18
Mathematics
Round the number to the nearest ten, nearest hundred, and nearest thousand.3893
A.
| Ten | 3900 |
| Hundred | 3800 |
| Thousand | 3000 |
B.
| Ten | 3890 |
| Hundred | 3800 |
| Thousand | 4000 |
C.
| Ten | 3890 |
| Hundred | 3900 |
| Thousand | 4000 |
D.
| Ten | 3900 |
| Hundred | 3900 |
| Thousand | 4000 |
Mathematics
Let v and w be two vectors in the plane with given magnitudes. The angle between v and w is ?. Find the expression. Round the answer to the nearest tenth.
= 14, 
= 8, ? = 62°
Find 
A. 12.4 B. 16.1 C. 19.1 D. -83.2
Mathematics