Evaluate the expression.16.9 ÷ 0.4(0.3) + (1.1)2
A. 13.885
B. 17.085
C. 15.385
D. 12.685
Answer: A
Mathematics
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Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 - 14x - 10y = -25
A. (h, k) = (-7, -5); r = 49 B. (h, k) = (-5, -7); r = 49 C. (h, k) = (5, 7); r = 7 D. (h, k) = (7, 5); r = 7
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Solve the problem.The speed of a vehicle is inversely proportional to the time it takes to travel a fixed distance. If a vehicle travels a fixed distance at 30 miles per hour in 60 minutes, how fast must it travel to cover the same distance in 25 minutes?
A. 50 mph
B. 
mph
C. 
mph
D. 72 mph
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Determine whether the function is a polynomial function.f(x) = 
A. No B. Yes
Mathematics
Simplify the expression by combining like terms.7b - 5b
A. -2b B. 2b2 C. 2b D. -12b
Mathematics