Ab has endpoints at (-1, -1) and (-2, -4). its transformation a'b' has endpoints at (-2, -2) and (-4, -8). what type of transformation occurred? are lengths of segments affected by this

a) rotation; no; the lengths of the two segments are the same.
b) reflection; yes; the length of segment a'b' is longer than the original segment ab.
c) dilation by a scale factor of 2; yes; the length of segment a'b' is longer than the original segment ab.
d) dilation by a scale factor of 1/2; the length of segment a'b' is shorter than the original segment ab.
type of transformation? justify.
will mark brainliest if correct and give 50 pts.

Pelle's sister is three years older than pelle the father is 5 times as old as pelle the mother was 28 when the sister was born altogether they are 98 years old how old is pelle?

As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.

In the diagram of circle o, what is the measure of zabc?