Circle a has center of (−2, 4) and a radius of 4, and circle b has a center of (3, 9) and a radius of 8. what steps will show that circle a is similar to circle b?

translate circle a using the rule (x − 5, y − 5).
dilate circle a by a scale factor of 2.
reflect circle a over the axis.
rotate circle a 90° clockwise about the center.

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms