Last year Mrs. Washington had a taxable income of $48,000 and paid about 20% in taxes. This year she contributed $3,000 to a traditional IRA. About how much could her tax liability be reduced?
What will be an ideal response?
$600; 48,000 ´ 0.2 = 9,600; 48,000 - 3,000 = 45,000 ´ 0.2 = 9,000; 9,600 - 9,000 = 600
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Find y '.y = 
A. 
+ 10x
B. - 
- 10x
C. - 
+ 10x
D. 
+ 10x
Find the product and write the result in standard form.(4 - 8i)2
A. -48 - 64i B. 16 - 64i + 64i2 C. 80 - 64i D. -48
Solve the problem.To obtain a certain shade of paint, Peter mixed 9
gallons of white paint with 2
gallons of brown and 1
gallons of blue paint. How much paint did he have?
A. 
gal
B. 
gal
C. 3
gal
D. 14
gal
Solve the problem.A manufacturer of DVD players has monthly fixed costs of $5500 and variable costs of $50 per DVD player and it sells the DVD players for $150 per unit. Write the function that models the profit P from the production and sale of x DVD players in a month.
A. P = 5500x - 100 B. P = 200x - 5500 C. P = 100x + 5500 D. P = 100x - 5500