Find the equation of the curve on which point P lies. The difference of the distances between P (x, y) and the points (-3, 3) and (9, 3) is 4.
?
A. 
B. 
C. 
D. 
E. none of these
Answer: C
Mathematics
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Solve.An economist predicts that the buying power B(x) of a dollar x years from now will be given by the formula B(x) = 0.22x. How much will today's dollar be worth in 7 years? Round the answer to the nearest cent.
A. $0.35 B. $1.53 C. $1.54 D. $0.00
Mathematics
Multiply by 1, 2, 3, and so on, to find ten multiples of the number.50
A. 0, 55, 60, 65, 70, 75, 80, 85, 90, 95 B. 50, 110, 170, 230, 290, 350, 410, 470, 530, 590 C. 50, 60, 70, 80, 90, 100, 110, 120, 130, 140 D. 50, 100, 150, 200, 250, 300, 350, 400, 450, 500
Mathematics
Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics
Approximate the square root. Round to the nearest tenth, if needed.
A. 2664.5 B. 73 C. 78 D. 730
Mathematics