In 9-12, tell which property of equality was used. 9.
5m + 4 = 19
10.
3t = 20
5m +4-3= 19-3
3t = 2 = 20 = 2
11.
9
12.
5b - 6 = 14
6-9
(a) x 5=9x5
כוס תט
(5b - 6) + 2 = 14 +2

Circle a has center of (2,3) and a radius of 5 and circle b has a center of (1,4) and a radius of 10. what steps will show that circle a is similar to circle b 1) dilate circle a by a scale factor of 2 2) translate circle a using the rule (x+1,y-1) 3) rotate circle a 180 degrees about the center 4) reflect circle a over the y-axis