Solve the problem.If the ratio of boys to girls in a class is 4:9, what is the ratio of girls to all students in the class?
A. 9:4
B. 13:4
C. 9:13
D. 4:13
Answer: C
Mathematics
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Solve the problem.Select an appropriate graph of a twice-differentiable function y = f(x) that passes through the points src="https://sciemce.com/media/4/ppg__ttttt0610191128__f1q10g6.jpg" style="vertical-align: -20.0px;" />
, 
, (0,0), 
and (
,1), and whose first two derivatives have the following sign patterns.y' : 
y":
A. 
B. 
C. 
D. 
Mathematics
Decide if the number is rational or irrational.1.27272624...
A. Irrational B. Rational
Mathematics
Write the standard equation for the following circle.
A. (x - 4)2 + (y + 4)2 = 9 B. (x - 4)2 + (y + 4)2 = 3 C. (x + 4)2 + (y - 4)2 = 3 D. (x + 4)2 + (y - 4)2 = 9
Mathematics
Solve the equation. Round your answer to the nearest tenth. 2x + 
= 
A. -0.3 B. -1.2 C. -1.9 D. -1.5
Mathematics