Simplify.
-3
A. 
B. - 
C. 
D. - 
Answer: C
Mathematics
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations.3x - 5y - 7z = 56x + 2y - 8z = 215x - 25y - 35z = -9
A. ? B. {(5, 2, -9)} C. {(5, 5, -1)} D. {(x,y,z) | 3x - 5y - 7z = 5}
Mathematics
Provide an appropriate response.Describe two advantages of the substitution method over the graphing method for solving systems of equations.
What will be an ideal response?
Mathematics
Use the information given in the figure.
How many are in B or C?
A. 65 B. 61 C. 63 D. 7
Mathematics