Solve by the substitution method.8x + 4y = -12-5x - 2y = 9
A. {(-4, 4)}
B. {(-3, 3)}
C. {(-3, 4)}
D. ?
Answer: B
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Solve.A local pond can only hold up to 54 geese. Eight geese are introduced into the pond. Assume that the rate of growth of the population is 
= (0.0011)(54 - P)Pwhere t is time in weeks.Find a formula for the goose population in terms of t.
A. P(t) = 
B. P(t) = 
C. P(t) = 
D. P(t) = 
Solve the problem.The function H described by H(x) = 2.75x + 71.48 can be used to estimate the height, in centimeters, of a woman whose humerus (the bone from the elbow to the shoulder) is x cm long. Estimate the height of a woman whose humerus is 
long.
A. 15.145 cm B. 42.73 cm C. 158.105 cm D. 105.73 cm
Provide an appropriate response.One factor of x(y + 6) + 2(y + 6) is
A. y + 2 B. x + y C. x + 2 D. x + 6 E. y + 12
Find the value of x that makes the given equation true. 
= 0
A. 25 B. 5 C. ±5 D. 0