Every rhombus with four right angles is a square.
a. True
b. False
Correct answer is a. True. [A square is an equilateral equiangular quadrilateral. By definition, a rhombus is equilateral. By this statement, it is equiangular (a rectangle). So, yes, it is a square.]
Mathematics
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Write the decimal as a fraction. Do not simplify.6.005
A. 
B. 
C. 
D. 
Mathematics
Identify the vertex of the given parabola.f(x) = -2x2
A. 
B. 
C. 
D. 
Mathematics
Determine if each ordered pair is a solution to the given system of inequalities in two variables.xy = 36x2 + y2 = 97(i) (9, -4); (ii) (-4, -9)
A. (i) No; (ii) Yes B. (i) Yes; (ii) Yes C. (i) Yes; (ii) No D. (i) No; (ii) No
Mathematics
Find the derivative of the function at the specified point.f(x) = 5x + 9 at x = 2
A. 10 B. 5 C. 0 D. 9
Mathematics