Find the indicated sum.4 + 8 + 12 + . . . + 160
A. 3198
B. 6396
C. 3280
D. 6560
Answer: C
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Provide an appropriate response.Suppose that a state introduces a state income tax which will be at a flat rate 
The state legislature wishes to estimate how much money they will receive in taxes, and to do this they need to know the average income of residents of the state. Which information would be most useful, the mean income, the median income, or the mode of the incomes? Why?
What will be an ideal response?
Find an equation for the line tangent to the given curve at the indicated point.y = 8
- x + 3 at (64, 3)
A. y = - 
x + 35
B. y = 
x - 35
C. y = 3
D. y = - 
x + 3
Find the simple interest and the final value of the deposit that earns the given rate for the indicated length of time. Round your answers to the nearest cent.$10,675 earning 9.0% for 4 months
A. $400.31; $11,075.31 B. $322.94; $10,997.94 C. $240.19; $10,915.19 D. $320.25; $10,995.25
Use the fundamental identities to simplify the expression.
+ csc ? sin ?
A. sec2? B. tan2? C. 1 D. csc2?