Solve the problem.The amount of gas that a helicopter uses is directly proportional to the number of hours spent flying. The helicopter flies for 2 hours and uses 22 gallons of fuel. Find the number of gallons of fuel that the helicopter uses to fly for 4 hours.
A. 8 gal
B. 48 gal
C. 55 gal
D. 44 gal
Answer: D
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Provide an appropriate response.What is the relationship of the sides of an acute triangle?
What will be an ideal response?
Factor completely, if possible.x2 - x - 35
A. (x - 5)(x + 7) B. Prime C. (x - 35)(x + 1) D. (x + 5)(x - 7)
Find the probability.A bag contains 20 marbles, of which 6 are blue and 10 are green. One marble is drawn from the bag. What is the probability that the marble drawn is not blue?
A. 
B. 
C. 
D. 
Solve the problem.Ohm's law relates the current in a circuit, I, in amperes, the voltage of the circuit, V, in volts, and the impedance of the circuit, Z, in ohms, by the formula 
Find V, the voltage of a circuit, if 
and Z = (2 + 4i) ohms.
A. (-32 + 66i) volts B. (28 - 66i) volts C. (-32 - 66i) volts D. (28 + 66i) volts