Choose the kind(s) of symmetry: point, line, plane, or none.

0

point
line
plane
none

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

Ingredient c: 1/4 cup for 2/3 serving or ingredient d: 1/3 cup for 3/4 serving which unit rate is smaller