(geometry)is triangle a'b'c' a dilation of triangle abc?

a. yes, it is an enlargement with a scale factor of 3.

b. yes, it is an enlargement with a scale factor of .

c. no, it is not a dilation because the points of the image are not moved away from the center of dilation proportionally.

d. no, it is not a dilation because the sides of the image are proportionally reduced from the pre-image.

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Match the vocabulary to the proper definition. in probability, two events in which 1. conditional probability the outcome of one event is independent of the outcome of a second event. 2. dependent events in probability, two events in which the outcome of one event is dependent on the outcome of a second event. the probability of an event in which the outcome of the event is conditional on the outcome of one or more different events. 3. independent events

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points