Provide an appropriate response.What is wrong with adding decimal numbers in the following example?25 + 0.22 = 0.47
What will be an ideal response?
The correct answer is 25.22. The student added 0.25, not 25.
Mathematics
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Calculate the direction of 
and the midpoint of line segment P1P2.P1(-3, -8, 4) and P2(-2, -7, 3)
A. 
i + 
j - 
k; 
B. 
i + 
j - 
k; 
C. 
i + 
j - 
k; 
D. 
i + 
j + 
k; 
Mathematics
Solve the equation in the interval [0,2?). sin x = cos 2x
What will be an ideal response?
Mathematics
Evaluate the given binomial coefficient.
A. 5 B. 1 C. 10 D. 0
Mathematics
Describe the shape of the given histogram.
A. Uniform B. Left skewed C. Right skewed D. Normal
Mathematics