Solve the problem.The James family wants to save some money in interest by paying off their auto loan 12 months early. The 36-month loan required payments of $455 per month. The car cost $18,600 with a down payment of $6000. How much unearned interest did they save?
A. $468.00
B. $442.70
C. $1,486.84
D. $1,702.70
Answer: B
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A cardiac monitor is used to measure the heart rate of a patient after surgery. It compiles the number of heartbeats after t minutes. When the data in the table are graphed, the slope of the tangent line represents the heart rate in beats per minute. The monitor estimates this value by calculating the slope of a secant line. Use the data to estimate the patient's heart rate after 42 minutes using the secant line between the points with t=38 and t=42.
Select the correct answer.
a. 74
b. 80
c. 85
d. 70
e. 76
f. 75
Express the given trigonometric function in terms of the indicated function.cos ? in terms of sin ?
A. 1 - sin ?
B. ±
C. ±
D. 
Write the statement in words and decide whether it is true or false.
? 
What will be an ideal response?
Solve the inequality.x2 + 5x - 14 > 0
A. (2, ?) B. (-?, -7) or (2, ?) C. (-7, 2) D. (-?, -7)