单项选择题
A. It is nearly impossible to determine whether a painting is authentic or fake without the use of math.
B. Even if multiple experts from various fields analyze a painting, it is not always possible to determine its authenticity.
C. New discoveries in art always lead to a greater degree of truth.
D. Art can be difficult to analyze, but mathematical models can help to find the truth.
E. Mathematicians have a great degree of expertise in analyzing art.
单项选择题 How many students are either juniors or males or both()
单项选择题 If (7,3) is the center of the circle above, then the radius of the circle could be equal to which of the following()
单项选择题 The water level in a tank is lowered by 6 inches, then raised by inches, and then lowered by 4 inches. If the water level was x inches before the changes in level, which of the following represents the water level, in inches, after the changes()