octagon abcdefgh and its dilation, octagon a'b'c'd'e'f'g'h', are shown on the coordinate plane below:

if the center of dilation is at the origin, by what scale factor was octagon abcdefgh dilated?
a. 4
b. one quarter
c. one half
d. 2

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?