Solve the problem.John owns a hot dog stand. He has found that his profit is given by the equation 
where x is the number of hot dogs sold. How many hot dogs must he sell to earn the most profit?
A. 23 hot dogs
B. 47 hot dogs
C. 36 hot dogs
D. 35 hot dogs
Answer: D
Mathematics
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Find the product.(5y - 6)(25y2 + 30y + 36)
A. 25y3 + 216 B. 125y3 + 180y2 - 216 C. 125y3 - 216 D. 125y3 + 216
Mathematics
Solve the equation.61 = 7x - 9
A. {17} B. {67} C. {63} D. {10}
Mathematics
Find the GCF of the given numbers.378 and 108
A. 27 B. 18 C. 2 D. 54
Mathematics
Solve the problem.The resistance of a wire varies directly as the length of the wire and inversely as the square of the diameter of the wire. A 20 foot length of wire with a diameter of 
has a resistance of 
What would the resistance be for a 
length, with diameter 
of the same kind of wire ?
A. 702 ohms B. 690 ohms C. 683 ohms D. 687.5 ohms
Mathematics