Let x be a number. Translate the expression into an English phrase.x - 5
A. five minus a number
B. A number increased by five
C. A number plus five
D. A number decreased by five
Answer: D
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Refer to the given map. Assume that the length of each east-west block is 
mile and the length of each north-south block is 
mile. 
Find the shortest possible walking distance (following the streets ) between the bus stop and the theater.
A. 1.25 mi B. 1.0 mi C. 1.50 mi D. 0.75 mi
Determine when the Hamilton method gives an Alabama paradox on increasing committee size and who loses a seat.An apartment complex has three buildings. Building A has 120 units, building B has 141 units, and building C has 39 units. A 9-person committee will set rules to govern the complex. This committee is proportioned to the numbers of units in the buildings. Increase the members in the committee one at a time and reassign the seats.
A. Assignment of the 12th seat; building B B. Assignment of the 13th seat; building C C. Assignment of the 11th seat; building B D. Assignment of the 12th seat; building C
Solve the system by the substitution method. Be sure to check all proposed solutions.x + 4y = 78y = 6x + 7
A. {(-2, -5)} B. {(1, 13)} C. {(3, 25)} D. {(2, 19)}
Use the power-reducing identities to rewrite the expression that does not contain trigonometric functions of power greater than 1.sin 
cos 
(1 - 2 sin2 x)
A. 
B. 
C. 
D. 