Solve the problem.For a fixed amount of principal, the simple interest varies jointly with the rate and the time. If the simple interest is $1050 when the rate is 3% and the time is 7 years, find the simple interest when the rate is 5% and the time is 10 years.
A. $5000
B. $2500
C. $250
D. $2750
Answer: B
Mathematics
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A. -22 + 20i B. -10 + 20i C. -10 - 28i D. -22 - 28i
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Find an equation of variation for the given situation.m varies directly as p, and m = 72 when p = 9.
A. m = 
p
B. m = 63p
C. m = 81p
D. m = 8p
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Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 3x + 1; relative to f(x) = 3x
A. Moved down 1 unit(s)
B. Moved left 1 unit(s)
C. Moved right 1 unit(s)
D. Moved up 1 unit(s)
Mathematics