Solve the problem.Edgar borrowed $8200 on a 220-day note that required ordinary interest at 10.4%. Edgar paid $3000 on the note on day 150. How much interest did he save by making the partial payment?
A. $53.48
B. $521.16
C. $408.81
D. $242.99
Answer: A
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Use the position equation 
, where s represents the height of an object (in feet), 
represents the initial velocity of the object (in feet per second),
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A projectile is fired straight upward from ground level 
with an initial velocity of 160 feet per second. At what instant will it be back at ground level?
?
A. 
Sec
B. 
Sec
C. 
Sec
D. 
Sec
E. 
Sec
Find the arc length parameter along the curve from the point where t = 0 by evaluating 
r(t) = (5cos t)i + (5sin t)j + 4tk
A. 
t
B. 
t
C. 
t
D. 
t
Write an equation for the function that is described by the following characteristics.
The shape of 
but moved eight units down, two units to the left, and then reflected in the x-axis.
What will be an ideal response?
Divide and simplify to the form a + bi.
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i
D. 
- 
i