Perform the calculation.177°35' + 12°53'
A. 190°88'
B. 29°28'
C. 29°88'
D. 190°28'
Answer: D
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Solve the problem.The voltage across a resistor is jointly proportional to the resistance of the resistor and the current flowing through the resistor. If the voltage across a resistor is 
for a resistor whose resistance is 
and when the current flowing through the resistor is 
find the voltage across a resistor whose resistance is 
and when the
current flowing through the resistor is 
A. 14 V
B. 36 V
C. 63 V
D. 28 V
Solve the equation.x2 + 6x + 9 = 12
A. ±2
B. -3 ± 2
C. -3 ± 2
D. 2
± - 3
Express the trigonometric function in terms of the same function of a positive acute angle.csc 166°
A. csc 59° B. -csc 59° C. -csc 14° D. csc 14°
Find a1, d, an, n, or Sn for the arithmetic sequence, as instructed.n = 6, a1 = -8, d = -2, an = -18; Find Sn.
A. -18 B. -78 C. -20 D. -48