Write the vector v in the form v1i + v2j, given 
and the angle ? that v makes with the positive x-axis.
= 14, ? = 0°
A. 14i
B. 14i + 14j
C. 14j
D. -14j
Answer: A
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A. Equation B. Expression
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A. Not a function B. Function
Find the indicated quantities for the appropriate geometric sequence.A piece of cardboard is 0.02 in. thick. The cardboard is cut in half, with one half being placed on top of the other so that its thickness doubles for 6 times in a row. How thick would the final stack of cardboard be? Round to two decimal places.
A. 1.28 in. B. 3.78 in. C. 0.64 in. D. 2.10 in.
Suppose 100 people counted the number of cars passing an intersection in one hour. Due to error, not all people get the same value. The mean is 75 and the standard deviation is 1. Use the sketch to find how many people report the following. 
Between 73 and 77 cars
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