Find the missing factor.35x + 21 = 7 ? (?)
A. -5x - 3
B. -5x + 3
C. 5x + 3
D. 5x - 3
Answer: C
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Solve the problem.A barge takes 4 hours to move (at a constant rate) downstream for 40 miles, helped by a current of 3 miles per hour. If the barge's engines are set at the same pace, find the time of its return trip against the current.
A. 7 hours B. 4 hours C. 10 hours D. 80 hours
Find the formula for the function.Express the length d of a square's diagonal as a function of its side length x.
A. d = x
B. d = x
C. d = x
D. d = 2x
Use the following figure to answer question
In which quadrant does point C lie?
Solve.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 16 gallons of fuel. Find the number of gallons of fuel that the helicopter uses to fly for 5 hours.
A. 48 gallons B. 45 gallons C. 40 gallons D. 10 gallons