Evaluate the expression for the given replacement values.
- 
- 11.7
for x = -4 and z = 5
A. 10.7
B. -20.7
C. -2.7
D. -12.7
Answer: D
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3T = ? mL
A. 30mL B. 45mL C. 20mL D. 15mL
Perform the indicated operation. Where possible, reduce the answer to its lowest terms.
÷ 
A. 
B. 
C. 
D. 
Solve the problem. The data in the table was obtained for an electrical circuit with constant resistance. The current flowing through the circuit was measured when various amounts of voltage were applied to the circuit. 
Let I be the current (in milliamperes) flowing through the circuit when the voltage applied to the circuit is V (in volts). Find an equation of a model to describe the data. Use the point (5, 124.5) to find the constant of variation. In a sentence that uses the phrase "varies directly" or "varies inversely", describe how the voltage and current are related. Use the model you found to estimate the voltage if the current flowing through the circuit is 190 mA.
What will be an ideal response?
Simplify using the quotient rule, if possible.
A. h4 B. h4 - 1 C. h3 D. Undefined