Divide.-0.9 ÷ (-0.2)
A. -4.4
B. -4.5
C. 0.18
D. 4.5
Answer: D
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Solve.Andrea exercised for 24 minutes and burned 192 calories. How many calories did she burn per minute?
A. 
cal per min
B. 8 cal per min
C. 5 cal per min
D. 40 cal per min
Use Descartes's Rule of Signs to determine the possible number of positive and negative real zeros for the given function.f(x) = -7x9 + x7 - x2 + 3
A. 3 or 1 positive zeros, 3 or 1 negative zeros B. 3 or 1 positive zeros, 2 or 0 negative zeros C. 2 or 0 positive zeros, 2 or 0 negative zeros D. 2 or 0 positive zeros, 3 or 1 negative zeros
Round the number to the nearest ten, nearest hundred, and nearest thousand.62,379
A.
| Ten | 62,380 |
| Hundred | 62,370 |
| Thousand | 63,000 |
B.
| Ten | 62,380 |
| Hundred | 62,400 |
| Thousand | 62,000 |
C.
| Ten | 62,370 |
| Hundred | 62,300 |
| Thousand | 63,000 |
D.
| Ten | 62,370 |
| Hundred | 62,400 |
| Thousand | 62,390 |
Find the derivative of the function.y = (1 + sin 11t)-4
A. y ' = - 44(1 + sin 11t)-5 cos 11t B. y ' = - 44(cos 11t)-5 C. y ' = - 4(1 + sin 11t)-5 D. y ' = - 4(1 + sin 11t)-5 cos 11t