30 - 19r + 15 - 9r =
25 points!

45-28r

Step-by-step explanation:

30+15-19r-9r

45-19r-9r

45-28r

I hope this is right! Hope this helps!

b

2

−

b

b

3

+

7

b

2

+

14

b

+

6

%

−

3

b

3

+

7

b

2

+

14

b

+

6

%

step-by-step explanation:

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.