Use the Distributive Property to find the product.3mn(7m2 - 3mn + 6n2)
A. 21m3n - 3mn + 6n2
B. 21m3n + 9m2n2 + 18mn3
C. 21m2n - 9mn+ 18mn2
D. 21m3n - 9m2n2 + 18mn3
Answer: D
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Subtract.82,438
A. 55,646 B. 61,646 C. 55,582 D. 55,642
Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Foci at (-5, 0), (5, 0); asymptotes: y = 
x, y = - 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Write the following as a rate in lowest terms.52 printers for 44 computers
A. 
B. 
C. 
D. 
Solve the problem.The arch beneath a bridge is semi-elliptical, a one-way roadway passes under the arch. The width of the roadway is 38 feet and the height of the arch over the center of the roadway is 9 feet. Two trucks plan to use this road. They are both 12 feet wide. Truck 1 has an overall height of 
and Truck 2 has an overall height of 
. Draw a rough sketch of the situation and determine which of the trucks can pass under the bridge.
A. Both Truck 1 and Truck 2 can pass under the bridge. B. Truck 2 can pass under the bridge, but Truck 1 cannot. C. Truck 1 can pass under the bridge, but Truck 2 cannot. D. Neither Truck 1 nor Truck 2 can pass under the bridge.