Which statement must be true?
a. out of the 125 children who do not have a pet, 18 of them have 2 siblings
b. out of the 97 children who have 1 pet, 40 of them do not have any siblings
c. out of the 125 children who do not have any siblings, 34 of them have a pet
d. out of the 97 children who have 1 sibling, 40 of them do not have a pet

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?