Which statement explains the difference between a plane and a ray?
O A ray contains an infinite number of points, and a plane does not have width or depth
O A ray can be used to create other geometric shapes, and a plane is always part of a shape.
O A plane does not have a formal definition, and a ray is described through undefined terms.
O A plane continues infinitely in one direction, and a vertex does not have width or depth.

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Which expression shows the sum of the polynomials with like terms grouped together

Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.