Simplify the expression by performing the indicated operations.2
? 
- 2
? 
A. 34
B. -11
C. 19
D. -26
Answer: D
Mathematics
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Write a fractional rate. Simplify the rate to a unit rate and write it as a phrase.While walking, Joe's heart beats 2577 times in 30 minutes. What is the unit rate in beats per minute?
A. 
; 79.9 beats per minute
B. 
; 0.012 beats per minute
C. 
; 89.3 beats per minute
D. 
; 85.9 beats per minute
Mathematics
Find the root. Round to three decimal places if necessary.
A. 3.137 B. 5.292 C. 9.333 D. 3.037
Mathematics
Round the number to the nearest ten, nearest hundred, and nearest thousand.3257
A.
| Ten | 3250 |
| Hundred | 3200 |
| Thousand | 4000 |
B.
| Ten | 3000 |
| Hundred | 3300 |
| Thousand | 3000 |
C.
| Ten | 3260 |
| Hundred | 3200 |
| Thousand | 3000 |
D.
| Ten | 3260 |
| Hundred | 3300 |
| Thousand | 3000 |
Mathematics
Find the triple scalar product (u x v) ? w of the given vectors.u = 4i + 2j - k; v = 5i + 6j - 2k; w = 9i + 10j - 9k
A. -11 B. -274 C. -78 D. -186
Mathematics