Why where the Galapagos Turtles different from the mainland turtles if they shared a common ancestor​

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

The graph shows the distance kerri drives on a trip. what is kerri's speed?