Translate the problem to an equation. Do not solve.Twice a number less 5 equals 5.
A. 2x - 5 = 5
B. 2(x - 5) = 5
C. 5 - 2x = 5
Answer: A
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Solve the problem.Find the moment of inertia about the y-axis of the thin semicircular region of constant density 
bounded by the x-axis and the curve 
.
A. 
?
B. 320?
C. 160?
D. 
?
Solve the problem.The grade resistance F of a car traveling up or down a hill is modeled by the equation F = W sin ?, where W is the weight of the car and ? is the angle of the hill's grade (? > 0 for uphill travel, ? < 0 for downhill travel). What is the grade resistance (to the nearest pound) of a 1750-lb car on a level road (? = 0°)?
A. undefined B. 1750 lb C. -1750 lb D. 0 lb
Find the reciprocal, if it exists.7.2
A. -7.2
B. No reciprocal
C. -6.2
D. 
Solve the linear equation.(3x - 4) - 4(x + 1) = -19 - 3(1 - 2x)
A. 
B. -2
C. 
D. 2