Two circles are concentric if they have the same center
which equation represents a circle that is concentric with
the circle shown but has a radius that is twice as large?
0.(x – 4)2 + (-6)2 = 4
(x-4)2 + (-6)2 = 16
o (x – 6)2 + (1 – 4)2 = 16
(x - 6)2 + (y – 4)2 = 4

Look at attachment. has all info needed. need

Standard deviation of 19,29,21,22,23

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?