Use the Instructional Algorithm for addition or subtraction to perform the operation.49 - 19
A. 50
B. 68
C. 30
D. 12
Answer: C
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Graph the region that satisfies the constraints.A contractor builds two models of homes, the Raskolnikov and the Karamazov. The Raskolnikov requires 180 worker-days of labor and $300,000 in capital, while the Karamazov requires 270 worker-days of labor and $200,000 in capital. The contractor has a total of 5400 worker-days and $6,000,000 in capital available per month. Let x represent the number of Raskolnikov models and y represent the number of Karmazov models.
A. 
B. 
C. 
D. 
Find the vertex, focus, and directrix of the parabola.x2 = 8y
A. vertex: (0, 0)
focus: (-2, 0)
directrix: x = 2
B. vertex: (0, 0)
focus: (2, 0)
directrix: x = -2
C. vertex: (0, 0)
focus: (0, 2)
directrix: y = -2
D. vertex: (0, 0)
focus: (0, -2)
directrix: y = 2
Write the decimal in words.36.4
A. thirty-six and four hundredths B. thirty-six and four thousandths C. thirty-six and four millionths D. thirty-six and four tenths
Find the limit algebraically.lim (
- 2)x?0
A. 2 B. -2 C. 0 D. does not exist