Solve.The voltage in a circuit is the product of two factors, the resistance in the circuit and the current. If the voltage in a circuit is described by the expression 
find the expressions for the current and resistance. (The expression for the current will contain i and the expression for resistance will contain r.)
A. current: 27i + 1, resistance: r + 28
B. current: 3i - 4, resistance: 9r + 7
C. current: 3i + 4, resistance: 9r + 7
D. current: 3i + 4, resistance: 9r - 7
Answer: C
Mathematics
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Evaluate the expression.
A. - 
B. - 
C. 
D. 
Mathematics
Provide an appropriate response.Identify the portion in the following: 6 is 15% of 40.
A. 15% B. 6 C. 100 D. 40
Mathematics
Substitute the given values into the formula and solve for the unknown variable.A = 
(b + B)h; A = 82.5, b = 16, B = 17
A. 66
B. 16
C. 5
D. 272
Mathematics
Determine whether the variation between the indicated quantities is direct or inverse.The distance traveled by you in a car and the time taken to drive this distance
A. Direct B. Inverse
Mathematics