Multiply.(12 - 5x)(12 + 5x)
A. 144 - 25x2
B. 144 - 120x - 25x2
C. 144 + 120x - 25x2
D. 144 - 5x2
Answer: A
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Simplify.[2(x - 5) - 2] + [3(x - 1) + 3]
A. 5x - 7 B. 2x - 15 C. 5x - 2 D. 5x - 12
Solve.A mother is choosing which baby foods to serve her infant. A jar of meat has 
of protein and 32 calories. A jar of vegetables has 
of protein and 16 calories. How much of each will she need to serve to get 
of protein and 109 calories?
A. There are infinitely many such combinations. B. There is no such combination. C. 2 jars of meat and 1.5 jars of vegetables D. 1.5 jars of meat and 2 jars of vegetables
Find the distance between points P and Q.P(0, 1, -2) and Q(-1, 3, -4)
A. 2
B. 
C. 3
D. 2
Find an equation of the circle with the given center and radius.Center (0, -10), radius 5
A. (x - 10)2 + y2 = 25 B. x2 + (y + 10)2 = 25 C. (x + 10)2 + y2 = 25 D. x2 + (y - 10)2 = 5