Use n = 4 to approximate the value of the integral by the trapezoidal rule.
A. 2
B. 1
C. 4
D. 
Answer: A
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Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Simplify the complex fraction.
A. 
B. 
C. 27x
D. 15x
Provide an appropriate response.Solve the following system of equations by first solving Equation (1) for x and then substituting for x in Equation (2). Then solve the system again by first solving Equation (1) for 2y and substituting for 2y in Equation (2). Which procedure do you prefer? Explain why you answered as you did.?x + 2y = 6(1)3x + 2y = 4(2)
What will be an ideal response?
A typical Social Security number is 555-47-5593. How many Social Security numbers are possible if the first three digits cannot be 1?
Fill in the blank(s) with the appropriate word(s).