The coordinates of △abc are a(12,8), b(10,18), c(4,16) . after a dilation, the coordinates are a'(6,4), b'(5,9), c'(2,8) a′(6,4), b′(5,9), c′(2,8) . find the scale factor.

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?