Solve the inequality. Graph the solution set, and state the solution set in interval notation.|x + 5| ? 0
A. -5
B. (-?, -5)
C. 5
D. ?
Answer: A
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Solve the problem. Use 3.14 for ?. Round your answer to the nearest hundredth.Glenda wants to glue glitter over a piece of felt shaped like a parallelogram with a height of 32 in. and a base of 54 in. If the glitter costs $0.90 per ft2, how much will it cost to cover the felt?
A. $1555.2 B. $43.20 C. $10.80 D. $129.60
Solve the problems.If a spring stretches 8 meters when a 3-kilogram weight is attached to it, how much will it stretch when a 21-kilogram weight is attached to it?
A. 56 meters B. 58 meters C. 55 meters D. 59 meters
Perform the indicated operation. Express the answer in scientific notation.
A. 4 × 107 B. 4 × 1011 C. 8 × 1011 D. 8 × 107
Determine the vertex, focus, and directrix of the parabola and sketch its graph.x2 - 6x + 4y + 21 = 0
A. vertex: (3, -3)
focus: (2, -3)
directrix: x = 4
B. vertex: (3, -3)
focus: (4, -3)
directrix: x = 2
C. vertex: (3, -3)
focus: (3, -4)
directrix: y = -2
D. vertex: (3, 3)
focus: (3, 2)
directrix: y = 4