Write the fractions that represent the shaded and unshaded portions of the given figure.
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Answer: A
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Between the pair of numbers, insert the appropriate sign: <, =, or >.
A. > B. < C. =
Solve the problem. Use 3.14 as the approximate value of ?. Round to the nearest tenth unless otherwise indicated.A giant cube-shaped die measures 12 ft on a side. Find the volume of the die.
A. 864 ft3 B. 36 ft3 C. 1,728 ft3 D. 144 ft3
Factor the polynomial completely using the grouping method.5x3 + 17x2 + 6x
A. 5x(x + 3)(x + 2) B. x(5x + 3)(x + 2) C. x(x + 3)(5x + 2) D. prime
Solve the problem.The energy cost of a speed burst as a function of the body weight of a dolphin is given by 
where w is the weight of the dolphin (in kg) and E is the energy expenditure (in kcal/kg/km). Suppose that the weight of a 
dolphin is increasing at a rate of 11 kg/day. Find the rate at which the energy expenditure is changing with respect to time.
A. -0.001 kcal/kg/km/day B. -24.9155 kcal/kg/km/day C. -6.2171 kcal/kg/km/day D. -0.0113 kcal/kg/km/day