Determine the value of the coefficient, c, so that the given system of equations is dependent.
A. 
B. 2
C. 7
D. -2
Answer: B
Mathematics
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Provide an appropriate response.Solve the following using a system of equations: Two electricians and four helpers earned a total of $2,200 on a job. At the same rate of pay, three electricians and two helpers earned $2,180. Find the earnings of each electrician and each helper.
What will be an ideal response?
Mathematics
Provide an appropriate response.Find the present value of a future value of $4,200 due in 11 years at a nominal rate of 6% compounded monthly.
What will be an ideal response?
Mathematics
Convert the units using unit fractions.10 pt = 
c
A. 80 B. 20 C. 5 D. 40
Mathematics
Decide whether the slope is positive, negative, zero, or undefined.
A. Undefined B. Positive C. Negative D. Zero
Mathematics