Solve.0.8x3 - 3.2x2 - 4x + 11.2 ? 0
(Round to three decimal places when necessary.)
A. [-2, 4.414]
B. [1.586, 4.414]
C. [-2, 1.586] ? [4.414, ?)
D. (-?, -2] ? [1.586, 4.414]
Answer: D
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Solve the problem.A home has a living room that is 15 ft wide and 21 ft long. The height is 9 ft. Bob needs to paint the room. He has to paint the walls and the ceiling. (He will not paint the floor.) There are two 3.0 ft by 5.0 ft windows and a 4.0 ft by 7.0 ft opening into the room that will not be painted. A gallon of paint covers 320 ft2. How many gallons of paint are needed? (All data are accurate to two significant figures.)
A. 2.8 gallons B. 3.0 gallons C. 1.8 gallons D. 3.8 gallons
Find the amount of taxable income and the tax owed for the following people. The letter following the name indicates the marital status and all married people are filing jointly. Use $4050 for each personal exemption; $6300 as the standard deduction for single taxpayers, $12,600 for married taxpayers filing jointly, and $9300 for head of household and the following tax rate schedule.
A. $43,444; $6,632.25 B. $43,444; $6,144.10 C. $46,287; $7,721.75 D. $47,494; $7,998.50
Find the requested value using the given stock table. 
Sales volume for the day for CommercialAir (CMA)
A. 1,771,800 B. 177.18 C. 17,718 D. 177,180
Find the equation of the line passing through the indicated two points. Write the equation in point-slope form.
and 
A. y - 
= 7(x - 1) or y - 
= 7(x - 7)
B. y + 
= 
(x + 1) or y + 
= 
(x + 7)
C. y - 
= 
(x - 1) or y - 
= 
(x - 7)
D. y + 
= 7(x + 1) or y + 
= 7(x + 7)