Solve the inequality. Express your answer using interval notation.3x + 7 ? 2x + 12
A. (-?, 5)
B. [5, ?)
C. [19, ?)
D. (-?, 5]
Answer: D
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Make the following length or weight conversion between the U.S. and the metric system.9 ounces to grams (1 oz ? 28.35 g) (Round to the nearest hundredth.)
A. 4.05 g B. 255.15 g C. 0.36 g D. 19.8 g
Use transformations to graph the function.f(x) = 
A. 
B. 
C. 
D. 
Solve the problem.The manager of a candy shop sells chocolate covered peanuts for $5 per pound and chocolate covered cashews for $14 per pound. The manager wishes to mix 70 pounds of the cashews to get a 
mixture that will sell for $7 per pound. How many pounds of peanuts should be used?
A. 157.5 lb B. 315 lb C. 245 lb D. 122.5 lb
Find the focus and directrix of the parabola with the given equation.9y2 = -4x
A. Focus: 
, directrix: y = 
B. Focus: 
, directrix: x = - 
C. Focus: 
, directrix: x = 
D. Focus: 
, directrix: y = 